每周一练：现在完成进行时答案
来源：智康1对1 2014-11-14
【答案】
练习1
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时态 |
用法 |
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现在完成时 |
“过发现影”：过去发生的动作对现在造成的影响，常与already，just，yet等连用 |
⑹⑺ |
“过发持续”：过去发生的动作持续到现在，常与so far, until now, “for+时间段”，“since+时间点连用” |
⑽ |
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固定句型： This/It is the first/second/last time that+现在完成时 This/It is the+形容词最高级+名词+that+现在完成时 |
⑻⑾ |
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过去完成时
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“过去的过去”：表示在过去某一时刻或动作以前完成了的动作，常与“by+过去时间”或“by the time+时间状语从句”连用 |
⑴ |
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表示原本打算实现而未实现的希望或计划。常用此结构的动词有hope, want, expect, think, mean, suppose, intend 等 |
⑶ |
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用于no sooner… than; hardly… when的句型中 |
⑷ |
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将来完成时 |
表示在将来的一个特定时刻将成为过去的动作或该时刻刚刚结束的动作，常与也可与“by+将来时间”或“by the time+现在时的时间状语从句”连用 |
⑵ |
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现在完成进行时 |
表示从过去某时开始一直持续到现在的动作，并且还将持续下去,常与“for+时间段”或者“since+时间点连用” |
⑸ |
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练习2：Key:1-5 DDDDD 6-10 BCCCA
练习3：
1. I will have finished all the project by the end of next month.
2. She is tired, because she has been typing all day.
3. Where have you been? We have been looking for you all the time.
4. She must be tired, because she has been dancing for all day.
5.The phone has been ringing all the time.
