Find out the components and examples of infinitive to do usage in sentences.

When the infinitive is the subject, the predicate verb is usually singular.

For example, doing morning exercises is good for our health.

Doing morning exercises is good for our health.

If the infinitive of a verb is too long, it is often used. It? As a formal subject, the real subject-infinitive to do is postpositioned.

For example, it took me half an hour to walk there. ..

It took me half an hour to walk there.

Usage 2: as a predicative

The infinitive to do is often placed after the copula verb be (such as become, sound, taste and other copula verbs). ) as a predicative, indicating the future situation and explaining the content of the subject.

In a word, my goal is to provide people with a high quality of life.

In a word, my goal is to provide human beings with a high quality of life.

Usage 3: As an object

As an object, it is a fixed collocation that is often recited, such as "want to do something" and want to do something. What we want to do here is to nominalize the infinitive object.

Verbs that commonly use infinitives as objects are:

Decide/decide/learn/care/pretend/agree/want/expect/hope/hope/proposal/promise/help/refuse/manage/choose/plan/request/beg.

People began to wonder how long the disaster would last.

People began to wonder how long the disaster would last.

Usage 4: As an attribute

The infinitive is used as an attribute, placed after a noun, to indicate future actions.

I'm always the first person to get to the office.

I'm always the first to get to the office.

Usage 5: as an adverbial

The infinitive can be used as adverbial of purpose, adverbial of result and adverbial of reason.

I am too tired to stay up late any longer.

I'm too tired to stay up any longer. (Table results)

I'm glad to be here.

I'm really excited to be here. (Table reason)