内容正文:
重难点08.时态与语态
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一、判断各时态下动词的形式及句子的主谓一致
1.定时间(状语):首先通过题干找出标志词。对于题干中无时间状语的句子,可通过上下文确定2. 定主语:确定句子主语的单复数。
3.定词形:根据确定的时态和主语确定动词的恰当形式。
4.核答案:将选项放入句子中,核实是否符合题意。
二、判断各时态下的被动语态形式
1.判定语态:观察是否有被动语态的标志词by;看动词与主语的关系,主语是动作的承受者时,用被动语态;如果是“物”作主语,有可能用被动语态。
2.确定时态:寻找时间状语或上下文暗示时态的词,确定具体用什么时态。
一、动词的时态 (以write为例)
二、各种时态的被动语态的构成
被动语态是由“be+过去分词”构成。被动语态的时态通过be动词的变化来体现。be动词必须与主语的人称和数相一致。常见的被动结构有:
常用时态
被动结构
一般现在时
am/is/are+过去分词
一般过去时
was/were+过去分词
一般将来时
will/shall+ be+过去分词
现在进行时
am/is/are + being+过去分词
过去进行时
was/were + being+过去分词
现在完成时
have/has been+过去分词
过去完成时
had +been+过去分词
含情态动词
can/may/must/. . . + be+过去分词
三、被动语态的特殊用法
1.sell和sell out
sell无被动语态; sell out有被动语态。
The book sells very well.
The book has been sold out.
2.take place/happen/change/break out(爆发)无被动语态。
Our hometown has changed a lot.
A car accident happened just now.
3.动词不定式符号to在be made/be heard/be seen中还原。
be made to do sth.被迫做某事; be heard/seen to do sth.被听到/看到做某事
The workers were made to work for a long time in the old time.
The girl is heard to sing in the next door.
The boys are seen to play soccer on the playground.
【真题演练】
1. (2023·浙江杭州)I like to follow the story and see what will h next.
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