什么是不定词谁给通俗的讲一下概念,为什么也可以是形容词和名词,举例证明一下,
1个回答

不定词具有名词,形容词,及副词 性质,

因具有名词性质,故在句中可当(1) 主词 (2) 补语 (3) 受词

(一) 名词:

(1) 主词:不定词当主词,动词采单数动词

To learn English is important.

= Learning English is important.

= It is important to learn English.

(2) 补语:

To see is to believe.= Seeing is believing.

I asked him to go with me.

I want him to wash my car.

(3) 受词:

当及物动词之受词:

S + want,need,ask ,… + to+V

例:1.I want to go to the movies with Tom.

2.I need to leave now.

3.( 例外:Your classroom needs cleaning.)

4.He asked to go out.

(2) S +like,love,hate,

begin,start,try,+ to+V

plan +Ving

I like to go swimming in summer.

= I like going swimming in summer.

形容词:

I have something to say.

I have something to do.

(三) 副词:

He got up early to catch the bus.