Unit 4 Grammar
V-ing形式作定语状语
1. V-ing 形式
V-ing 形式由 “do+ing” 组成, 其否定形式是 “not doing”, V-ing 能够带宾语或状语组成 V-ing 短语, V-ing没有些人称和数改变, 但有时态和语态改变。
V-ing 基本形式
b. I regretted ___________so much time.c. The child made her mother angry by ____________his homework.
(not)
being done
having done
having been done
(not)
(not)
(not)
时态
语态
a. He came here without___________(invite).
being invited
He came here without________ her(invite).
inviting
主被动看该动词与其逻辑主语关系,是动作执行者还是承受者
having wasted
时态看该动词与主句谓语动词时间先后,同时普通用do ...


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