动词-ing形式

动词-ing形式可在句中作主语、表语、宾语、宾语补足语和状语。

• practice, consider, enjoy, finish, mind, avoid, suggest, look forward to, feel like, give up等动词(短语)后接动词-ing形式作宾语。
• hear, notice, see, watch等感官动词后也可接动词-ing形式作宾语补足语。
• remember, forget, stop等动词后既可接动词不定式，也可接动词-ing形式，run的ing形式 但表达的意义不同。
• 当need, require, want作“需要”讲时，其后的动词-ing形式表示被动意义，也可以用动词不定式的被动形式来替换。
• 动词-ing形式在句中可作状语修饰谓语动词或整个句子，表示动作发生的时间、原因、条件、让步或伴随等情况。
• 一般情况下，现在分词作状语时，逻辑主语就是句子的主语；当逻辑主语与句子的主语不一致时，现在分词前面应加上逻辑主语，此时构成独立主格结构。

经典习题

1.— I’m not good at spoken English. What should I do?

— Why don’t you join an English club to practice ______ English?

A. speak

B. to speak

C. speaking

D. to speaking

2. Miss Brown thinks students should spend as much time as they can ______ in their spare time.

A. read

B. to read

C. reading

D. to doreading

3. Jenny is looking forward to ______ her pen friend in Austria.

A. be heard from

B. be hearing from

C. hear from

D. hearing from

4. At 8:45 in the morning, I saw Eric ______ in the playground by himself.

A. running

B. to run

C. runs

D. to be running

5. The children often lie on the grass, ______ the stars in the sky.

A. watches

B. watching

C. watched

D. watch

KEY：CCDAB