all you had to do was think a little harder ,was后面为什么加think的原形?
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all you had to do was think a little harder ,was后面为什么加think的原形?
all you had to do was think a little harder ,was后面为什么加think的原形?
all you had to do was think a little harder ,was后面为什么加think的原形?
为你
was 是系动词,后面的不定式短语 to think... 作表语.
当was前面出现动词do的时候,不定式符号to可以省略,此时就剩下think了.
不懂请追问,满意请采纳.谢谢!
你好。
All you had to do was think a little harder ,was后面用think的原形是动词不定式作表语时的一个“规则”。不过,这个规则的使用有一个条件:主语部分必须有一个动作动词do。请看一些例句:
All we can do is wait and hope.
All you have to do is notify...
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你好。
All you had to do was think a little harder ,was后面用think的原形是动词不定式作表语时的一个“规则”。不过,这个规则的使用有一个条件:主语部分必须有一个动作动词do。请看一些例句:
All we can do is wait and hope.
All you have to do is notify him.
但也有不省略“to”的。例如:
The thing to do is to tell her the truth.
What we should do now is to better the living conditions of the people.
希望能对你有所帮助。
祝你进步!
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