Bare Infinitives 

In this lesson we learn about bare infinitives, which are essential verb forms that do not include "to" and are used in specific grammatical constructions. Clear explanations and practice exercises to help you learn.

What Are bare infinitives in English?

What Is a Bare Infinitive?

A bare infinitive is a type of verb form that consists of the base form of a verb without the word 'to' before it, as opposed to 'to-infitintives' which are always preceded by the particle 'to'. Bare infinitives can be used as the main verb in an imperative sentence, after certain permission or causation verbs or modal verbs, and after certain prepositions.

Bare Infinitives: Uses

Bare infinitives are used in a variety of contexts in English. Here are some common cases where bare infinitives are used:

With Modal Verbs

We use a 'bare infinitive' after modal verbs and fixed phrases like "would rather" and "had better". Look at the following examples:

Example

I will call you later.

They should consider it.

She would rather stay over for the night.

They had better take the box with them.

With 'Why'

Bare infinitives can also be used after the interrogative pronoun 'why' to make suggestions. Check out the examples:

Example

Why listen to her when we can listen to the band?

Why wait outside? We can wait inside the house till the taxi gets here.

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With Particular Verbs

Bare infinitives are also used after perception verbs as well as some causative or permission verbs and verbs expressing suggestion as a direct object. For example:

Example

He made me cry.

I felt it move.

Oh God, let it snow.

I suggest you leave early.

The most common perception verbs used with bare infinitives include:

see

watch

notice

feel

hear

The most common causative verbs commonly used with bare infinitives verbs are:

have

help

make

The most common permission verb used with bare infinitives is:

let

The most common verbs of suggestion commonly used with bare infinitives verbs are:

suggest

recommend

propose

With Prepositions

Some prepositions can be followed by a bare infinitive. Examples of such prepositions include 'except,' 'but,' and 'than.' Here are the examples:

Example

I did nothing but cry when he left me.

He had nothing left to do except wait for the rain to stop.

Review

A bare infinitive is an infinitive that does not need the particle to. We use a bare infinitive:

1.

with modal verbs

2.

with 'why'

3.

with particular verbs

4.

with prepositions

Quiz:


1.

Which of the following sentences uses a bare infinitive correctly?

A

We are planning visit our grandparents.

B

They decided leave early.

C

He enjoys swim in the lake.

D

She must finish her project by tomorrow.

2.

Sort the words to form a grammatically correct sentence.

the
.
me
house
call
you
leaving
before
should
3.

Which sentence correctly uses a bare infinitive after a causative verb?

A

She asked him clean the room.

B

They let the dog to run outside.

C

He helped me to carry the boxes.

D

I had my brother fix the car.

4.

Choose the correct category based in the sentence to complete the table.

Why speak to her when you can talk to me?

You should leave the house now.

She made him run as fast as he can.

I did nothing except watch TV all weekend.

We noticed him leave the party early.

I recommend you take the day off.

After ‘Why’
Modal Verbs
Causative Verbs
Preposition
Perception Verbs
Suggestion Verbs
5.

Which sentence correctly uses a bare infinitive after a preposition?

A

She tried hard not laugh.

B

He had no choice except to wait for the bus.

C

I did nothing but sleep.

D

My mom told me finish my homework.

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