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必修4《Learning about Language》优质课PPT课件下载
1. We don't allow smoking here.
2. They forget having read the novel.
Summary:
doing 为v-ing的一般式，它表示动作发生在谓语动词的动作__________ 或者___________.
having done 为v-ing的完成式，它表示动作发生在谓语动词动作_________.
3. He was afraid of being left at home.
4. We were all excited for having been praised.
Summary:
being done 为doing 的____________ 形式， 它表示其和主语构成___________ 关系。
having been done为having done 的___________ 形式，它表示其和主语构成___________ 关系。
同时
之后
之前
被动
被动
被动
被动
Task 2 V-ing 的否定式
1. Trying without success is better than not trying at all.
2. I have n excuse for not going.
Summary:
v-ing 的否定形式为_________.
not v-ing
1.Swimming is his favorite sport.
2.He enjoys swimming.