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在做语法填空时,什么时候填非谓语动词的过去分词,什么时候填有be动词的被动式?

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/10 18:08:36
在做语法填空时,什么时候填非谓语动词的过去分词,什么时候填有be动词的被动式?
比如说:
The exam ,which was originally to be held in our classroom_______(change)to be the library at the library at the last minute because of some unknown resons.
答案是was changed
而我填的是changed
我时常犯这样的错误,看语境的话,应该怎么看?
答:你首先要分清谓语动词和非谓语动词.
过去分词是非谓语动词,而be+过去分词是谓语动词.
就本题而言,首先你要能将which was originally to be held in our classroom 无视掉,能判断出空格处要填的是谓语动词,而不是非谓语动词.
你的题干有误,classroom后本应有个逗号的,有了这个逗号,则很容易判断,空格处是谓语动词.如果没有,则容易误以为是过去分词作后置定语.可能是出题者是故意的,其实是不对的.
后面应为:to be held .,reasons
2011高考语法填空分类练习
1.The exam,which was originally to be held in our classroom,____(change) to the library at the last minute.(广州二模)
通过网络搜索,发现是你自己没有注意到这个逗号.另外后面的好象也有改编.
评:这模拟题经常出得不好.本题句也有不妥:the exam was changed to the library.就有语病!
Change A (in) to B是将A变成B.
而出题的句意,显然是:考试改在图书馆进行!这是题外话.
另外你还要考虑,-ed动词也有可能是过去式,也是谓语动词.本题如果用changed,只能认为是过去式.
The exam changed to the library.和The exam was changed to the library.一样,都 是有语病的句子.只不过出题者的思维就是:那场本该在教室举行的考试在最后一刻(被)改到图书馆了.