在英语中,大多数句子使用的是主动语态。在下列使用主动语态的句子中,主语是my grandmother,动词是 wrote,宾语是 this book。
My grandmother wrote this book in 1960.我外婆在1960年写了这本书。
为了把上述句子改成被动语态,我们把宾语提前,接着使用be 动词的恰当形式(am/is/are/was/wasn't等等)加动词过去分词(baked/taken/written等等)。
This book was written in 1960.这本书是在1960年写的。
注意,在被动语态中,我们通常不需要强调动作的执行者。例如在上述句子中,谁写了这本书并没有被指明。
如果我们想在被动语态的句子中强调发出动作的执行者,可以使用"by +动作的执行者"。
It was written by my grandmother.它是我外婆写的。
再举一个主动语态的例子:
Your horse ate the apples.
你的马吃掉了那些苹果。
转变成被动语态,则变成:
The apples were eaten by your horse.那些苹果是被你的马吃了。
记住,有一些不规则动词的过去分词是需要单独记忆的:
以下按照动词原形、过去式和过去分词排列:
go -> went -> gone
see -> saw -> seen
do -> did -> done
make ->made -> made
say -> said -> said
be->was/were-> been
take->took -> taken
come -> came -> come
eat -> ate -> eaten
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