Question

【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.

Answer 1

【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….”