動名詞 gerunds 是動詞-ing 形式，可以有名詞的功能性；而動詞不定式 infinitives 是指不帶詞形變化從而不描述人稱、數量或時態的形式。做測驗，看看你能分得清楚嗎？

1. She said she enjoys _________ video games in her spare time.

a) play

b) played

c) to play

d) playing

2. I regret_________ her that I didn’t like her outfit. She was very angry with me.

a) tell

b) having told

c) to tell

d) to telling

3. The journey was a long one so we stopped _______ lunch on the way.

a) having

b) have

c) for to have

d) to have

4. I promise _______ straight home after work.

a) to come

b) coming

c) having come

d) I come

5. She pretended __________ me when I passed her in the street. I think she is angry with me.

a) to see

b) seeing

c) not to see me

d) not seeing

6. I’ve finally managed to give up ________ after all these years. I feel so much better.

a) to smoke

b) smoking

c) smoke

d) smoker

答案

1) d, 2) b, 3) d, 4) a, 5) c, 6) b.