ch 24: infinitives

Ch. 24: Infinitives

I want to learn.

I hope to succeed.

I promise to study hard.

I try to get only “A” grades!

I refuse to give up.I plan to get to class on time.

What Students Are Thinking

I decided not to study chemistry this year.

I decided to study English this year.

1: What’s an infinitive?

An infinitive is to + base form of the verb. Form the negative by placing not before the infinitive.

Infinitiveto + base form of the verb

Negative Infinitive not + to + base form of the verb

I told her to go to bed.

I want to get a good grade in my English class.

Infinitives after Verbs

Certain verbs can be followed by an infinitive.

Infinitive

Examples: ask, advise, tell, want

Infinitive

He refuses to be uncomfortable when studying.

Infinitives after Verbs

Some verbs can be followed directly by an infinitive.

Infinitive

Examples: begin, decide, fail, learn, plan, promise, refuse, seem, try

Infinitive

He is learning to spell correctly.

Infinitives after Objects

Some verbs need an object (noun or pronoun) before the infinitive.

Infinitive

Examples: advise, allow, encourage, force, invite, remind, tell, warn

Object

InfinitiveObject

Our teacher advises them to take notes.

She doesn’t allow students to do their homework in class.

Infinitives after Objects

More examples: S + V+ object (noun or pronoun) + infinitive.

InfinitiveObject

InfinitiveObject

My teacher tells us to pay attention.

She warns students not to cheat on tests.

negative

Complete the sentences with infinitives and your own information. Use objects where needed.

Maria invited … Maria invited me to go to a party with her.

1. I promised …

2. My mother plans …

3. Our teacher encourages …

4. My friends decided …

5. My father always tells …

Example:

Practice 1

p. 337, Ex. 1

Homework: •Complete Exercises 2-4 (p. 337-339) in your grammar books.•Write your topic sentence. Complete p. 13 “Your Own Writing.” •Don’t forget your journals and discussion boards.•Test: Units 6-7