Multi-Word Verbs: turn off, give up, look after, put up with

English loves to build verbs from a main verb plus one or two little words: turn off, give up, look after, put up with. These multi-word verbs fill everyday English, and they set a trap, because they look like a verb plus a prepositional phrase but behave differently. This post sorts out the types, explains where the object goes (why turn it off but not turn off it), and teaches you to read them correctly.

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1. The problem: a hidden trap for readers

Look at this sentence:

She looked up the definition.

If you read up the definition as a prepositional phrase (preposition up + the noun phrase the definition), you'd think the sentence is about looking in an upward direction, and you'd completely miss the real meaning. Because look up here is a two-word verb meaning "to search for / to find in a reference." The up belongs to the verb, not to a prepositional phrase!

This is a structural trap, not just a vocabulary problem. A reader who mis-parses look up gets the whole sentence wrong. So this post is important: it teaches you to recognize when a little word (up, off, on, in, with) belongs to the verb versus when it starts a separate phrase.

Quick recap: Multi-word verbs (look up, turn off, give up) combine a verb with little words. The trap: the little word belongs to the VERB, not to a separate prepositional phrase. look up the definition = "search for the definition," not "look in an upward direction."

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2. The three types of multi-word verb

There are three main types, and they behave differently. Let's name them first, then study each:

Two new words to know:

• A particle is the little word in a phrasal verb (up, off, on, out, in, away). It's "fused" with the verb to make a new meaning.
• You already know preposition (from The M4 Zone: Describing a Noun From Behind), a relationship word.

The tricky part is that particles and prepositions look identical (both are little words like up, on, in). But they behave differently. Let's learn how to tell them apart.

Worth repeating: Three types of multi-word verb: transitive phrasal (verb + particle + object, separable), intransitive phrasal (verb + particle, no object), and prepositional (verb + preposition + object, not separable). A particle is the little word fused to a phrasal verb.

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3. Type 1: Transitive phrasal verbs (separable)

A transitive phrasal verb is a verb + particle that takes an object. The special thing about it: the particle can move: it can go before or after the object. This is why we call it separable.

Watch:

• She looked up the word. (particle right after the verb)
• She looked the word up. (particle moved after the object, separated!)

Both are correct! The particle up can sit before or after the word. That flexibility is the signature of a transitive phrasal verb.

The crucial pronoun rule

BUT, and this is very important, when the object is a pronoun (like it, them, him), the particle must come after the pronoun. You cannot leave the pronoun on the outside:

• ✓ She looked it up. (pronoun it before the particle)
• ✗ She looked up it. (WRONG, never do this with a pronoun)

So the rule is:

• With a noun object: either order works (looked up the word / looked the word up).
• With a pronoun object: the pronoun MUST go in the middle (looked it up, never looked up it).

Common transitive phrasal verbs

Lock this in: Transitive phrasal verbs (look up, turn off) take an object and are SEPARABLE: looked up the word OR looked the word up. With a PRONOUN object, the pronoun must go in the middle: looked it up (never looked up it).

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4. Type 2: Intransitive phrasal verbs (no object)

An intransitive phrasal verb is a verb + particle with no object. Nothing comes after it (in the verb part), so there's nothing to separate.

• The car broke down. (no object, broke down = stopped working)
• The plane took off. (= left the ground)
• He gave up. (= stopped trying)
• She showed up. (= arrived)

Common intransitive phrasal verbs

The reading rule: when you see a verb + particle with no noun after it, it's an intransitive phrasal verb. The particle is part of the verb; it does NOT start a prepositional phrase.

A quick reminder: Intransitive phrasal verbs (break down, take off, give up) have NO object. The verb + particle stands alone. The car broke down. The particle is part of the verb, not a separate phrase.

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5. Type 3: Prepositional verbs (not separable)

A prepositional verb is a verb + a fixed preposition that takes an object. Here the little word is a true preposition, and crucially: it cannot move. It always stays right after the verb, glued in place.

• They relied on the data. ✓ (NOT: They relied the data on.)
• The change resulted in failure. ✓ (NOT: resulted failure in)
• She applied for the position. ✓
• The paper deals with structural ambiguity. ✓

Notice: even with a pronoun object, the preposition stays put (the opposite of phrasal verbs!):

• ✓ They relied on it. (NOT: relied it on)

So the preposition in a prepositional verb is "locked" to the verb; it never separates.

Why these matter so much for academic reading

Prepositional verbs are everywhere in academic and formal English, and the preposition is part of the verb's meaning. Learn these as fixed units (verb + its specific preposition):

Each verb "wants" a specific preposition: rely wants on, consist wants of, result wants in. You can't swap them (rely in is wrong). So learn them as pairs.

Say it again: Prepositional verbs (rely on, consist of, result in) take an object, and the preposition is FIXED: it never moves, even with a pronoun (relied on it, never relied it on). The preposition is part of the verb's meaning. Learn them as pairs.

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6. The separability test (how to tell phrasal from prepositional)

Here's the practical test that sorts a phrasal verb from a prepositional verb. Take a pronoun object and try to put it before the little word:

Can a pronoun object move before the little word?

• Yes → it's a separable phrasal verb (the little word is a particle).
• No → it's a prepositional verb (the little word is a fixed preposition).

Watch:

• turn off the light → turn it off? ✓ Yes! → phrasal verb (particle off)
• rely on the data → rely it on? ✗ No! → prepositional verb (preposition on)
• look up the word → look it up? ✓ Yes! → phrasal verb
• deal with the problem → deal it with? ✗ No! → prepositional verb

This one test reliably tells you which type you're dealing with. The pronoun "it" is your detector.

Hold onto this: The test: can a pronoun object move before the little word? turn it off ✓ → phrasal (separable). rely it on ✗ → prepositional (fixed). The pronoun "it" detects the type.

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7. Type 4 (bonus): three-part verbs

Some verbs combine BOTH a particle AND a preposition, three parts in all:

• come up with (= devise, think of): She came up with a plan.
• look forward to (= anticipate happily): I look forward to the trip.
• put up with (= tolerate): I can't put up with the noise.
• run out of (= use up the supply of): We ran out of time.
• get along with (= have a good relationship with): She gets along with everyone.

These three-part verbs are completely fixed: nothing moves or separates. Just learn each as a single unit. (Note: in look forward to, that to is a preposition, which means a verb after it takes -ing: look forward to seeing you. We met this in passing before, and we'll fully explain it in The Word "to" Has Two Completely Different Jobs.)

One more time: Three-part verbs combine a particle + preposition: come up with, look forward to, put up with, run out of. They're fixed, nothing moves. Learn each as one unit.

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8. How this fits the whole picture

This post connects to several earlier ideas.

From The M4 Zone: Describing a Noun From Behind (prepositions/M4): you learned that a preposition + noun makes a prepositional phrase. The trap here is that a particle + noun looks like a prepositional phrase but isn't; it's part of the verb. The separability test resolves which one you're seeing.

From How Verbs Choose What Comes After Them (Verb Valency) (valency): a prepositional verb like rely on is interesting: rely by itself is V1 (it needs no object), but it requires a PP companion (on the data). So rely has a special frame: NP1 + V + PP. Knowing this stops you from waiting for a plain object that never comes.

And the whole post reinforces the structural mindset (The Structural Mindset: Training Your Eyes to See the Shape): don't assume a little word starts a prepositional phrase. Test whether it belongs to the verb first. This prevents a whole class of reading errors.

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9. A short practice

Try each yourself first, then check the answers.

Exercise A, Classify the multi-word verb

Identify each as: (A) transitive phrasal verb, (B) intransitive phrasal verb, (C) prepositional verb, or (D) three-part verb.

1. The system broke down during the test.
2. She carried out the experiment carefully.
3. The results account for the variance.
4. He came up with a new idea.
5. The team handed in the report.
6. The paper deals with privacy.

Exercise B, Fix the pronoun position

Rewrite each with the pronoun in the correct place.

1. She turned off the light. → (replace with it)
2. He looked up the word. → (replace with it)
3. They relied on the data. → (replace with it)

Exercise C, The separability test

For each, use the "can a pronoun go in the middle?" test to decide: phrasal (separable) or prepositional (fixed).

1. pick up the kids
2. depend on the weather
3. fill in the form
4. focus on the goal

Exercise D, Choose the right preposition

1. The study consists ___ three parts. (of / in)
2. The accident resulted ___ injuries. (of / in)
3. She refers ___ several sources. (to / on)

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Answers (try first, then check!)

Exercise A, Classify:

1. broke down → (B) intransitive phrasal (no object)
2. carried out → (A) transitive phrasal (could say carried the experiment out)
3. account for → (C) prepositional verb (fixed preposition)
4. came up with → (D) three-part verb
5. handed in → (A) transitive phrasal (could say handed the report in)
6. deals with → (C) prepositional verb

Exercise B, Fix the pronoun position:

1. She turned it off. (phrasal, pronoun in the middle)
2. He looked it up. (phrasal, pronoun in the middle)
3. They relied on it. (prepositional, preposition stays put)

Exercise C, The separability test:

1. pick up the kids → pick them up? ✓ → phrasal (separable)
2. depend on the weather → depend it on? ✗ → prepositional (fixed)
3. fill in the form → fill it in? ✓ → phrasal (separable)
4. focus on the goal → focus it on? ✗ → prepositional (fixed)

Exercise D, Choose the right preposition:

1. consists of three parts
2. resulted in injuries
3. refers to several sources

How did you do? Exercise C is the key one, if you can use the separability test, you'll never again confuse a phrasal verb's particle with a prepositional phrase, which is a genuine reading trap.

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10. The lesson in a nutshell

1. Multi-word verbs combine a verb with little words. The trap: the little word belongs to the verb, not a separate prepositional phrase.

2. Transitive phrasal verbs (look up, turn off): take an object, SEPARABLE. looked up the word OR looked the word up. With a pronoun, it MUST go in the middle: looked it up (never looked up it).

3. Intransitive phrasal verbs (break down, give up): no object, the verb + particle stands alone.

4. Prepositional verbs (rely on, consist of, result in): take an object, the preposition is FIXED and never moves (relied on it). Common in academic English, learn as pairs.

5. The separability test: can a pronoun object move before the little word? Yes → phrasal (particle); No → prepositional (fixed preposition).

6. Three-part verbs (come up with, look forward to, put up with): particle + preposition, completely fixed.

7. Don't assume a little word starts a prepositional phrase, test whether it belongs to the verb first.

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11. A step before the next

You've now learned to handle multi-word verbs, a huge part of natural, everyday English, and, just as importantly, to avoid the reading trap they set. The separability test is a small tool that will save you again and again.

In Reading Time and Voice Off the Page: The Tense Matrix, we tackle one of the most powerful topics in the verb system: the tense and voice matrix. Instead of memorizing dozens of confusing tense "feelings," you'll learn to read time and voice straight from the chain of helping verbs (using the Boot you already know!). It turns the scary tense system into something you can simply read off the page.

When you're ready, Reading Time and Voice Off the Page: The Tense Matrix opens up the verb's helping-word chain. First, spot a few multi-word verbs around you and test whether each one is separable.