题目内容
【题目】
【1】The student of Class Three have already cleaned their classroom.( 改为否定句)
The student of Class Three ______ cleaned their classroom .
【2】 Her grandfather has been dead since2007 .(对画线部分提问)
________ ______ has her grandfather been dead?
【3】The film began about 20 minutes ago.You are late.(改为同义句)
The film has ________ ________ for about 20 minutes.You are late.
【4】我们应该循环利用塑料袋而不是扔掉它们。(完成译句)
We should reuse plastic bags throwing them away.
【答案】
【1】haven’t ,yet
【2】How long
【3】been on
【4】instead of
【解析】
【1】现在完成时的否定形式是:主语+haven’t /hasn’t+动词的过去分词+其他,另外如果有already,要变成yet。
【2】画线部分是“since 2007”自从2007年到现在,是对时间段进行提问,所以用how long提问。
【3】begin是非延续动词,此处后面接一段时间,要用延续动词,be on表示上演的意思,是延续动词。
【4】instead of是介词短语,意思是“代替… ” “而不….”
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