부정사의 용법

부정사- [to + 동사원형]을 말함

(1) 명사적 용법- 부정사가 명사처럼 주어, 목적어, 보어로 쓰일 때.

ex 1) To teach English is very difficult. [주어]

= It is very difficult to teach English. [가주어-진주어]

2) I want to leave here tomorrow. [목적어]

3) I found it easy to read this book. [가목적어-진목적어]

4) The most important thing in life is to do our best. [보어]

　 보충예문

◆ 주어자리

ex 1) To know oneself if difficult.

= It is difficult to know oneself.

2) To use the dictionary is necessary.

= It is necessary to use the dictionary.

◆ 명사적 보어 자리 (주어 = 주격보어)

ex 1) To see is to believe.

2) I asked him to help me.

3) He allowed me to do so.

◆ 타동사나 전치사의 목적어 자리 · 동격 자리

ex 1) He began to read the book.

2) I have no choice but to accept his proposal.

3) I think it wrong to tell a lie.

4) He has one aim, to succeed in life.

5) I don't know what to do[where to go].

(2) 형용사적 용법- to 부정사가 명사 뒤에서 그 명사를 수식하는 경우

ex) Please give me something to eat.

He is not a man to say such a thing.

He has no friend to play with.