I usually spend two hours on doing homework everyday.为什么用doi
来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/08/30 11:15:27
I usually spend two hours on doing homework everyday.为什么用doing
on是介词,介词之后只有两种结构 介词+宾语 (介宾结构);介词+宾语+补语 (介宾补结构)
宾语的位置一般只能填入一个名词,或具有名词词性的短语.同时介词之后是不接不定式结构的(虽然不定式可以作为名词性短语).
我把这句话拆成两句:
①I usually spend two hours on something.
②I do my homework.
②句实际上就是①句something的内容.如果我们把两句话合为一句,I是重复的,只要①句中I保留就可以了.那么②句重要的就是“做作业”这件事.当用②句去替换something时,一定要注意something是一个名词,替换后的词性仍然得是名词性的.这个时候就要借助于动名词结构.
doing homework就是一个动名词结构,它具有名词性.所以就把something替换为doing homework.
当然如果更详细讲的话,还要涉及到V-ing结构,V-ed结构
简单点说V-ing结构可以看成动名词或是现在分词.前者是名词性的,后者是形容词性的
V-ed可以看成过去分词,具有形容词性.
你要检查一个句子的搭配对不对,重要的是要看各个成分的词性对不对.
例如:①I am looking forward to something.
②I am invited to the party.
同样把它们合成一句话,②句就是①句something的内容
可是如果写成I am looking forward to invited to the party.就是错的.因为invited是形容词词性的.这与介词后要接名词性从句或短语相违背.这个时候可以将采用invite的派生名词invitation代替invited,成为:
I am looking forward to invitation to the party.
或者我们在invited之前接个being将其词性转化为名词性
I am looking forward to being invited to the party.
可能你还无法完全理解我所说的,不过我想有一点你应该始终牢记.固定搭配之所有成立是有原因的.当你英语学到一定程度之后,一定要回过头来,重新审视这些搭配的合理性.
宾语的位置一般只能填入一个名词,或具有名词词性的短语.同时介词之后是不接不定式结构的(虽然不定式可以作为名词性短语).
我把这句话拆成两句:
①I usually spend two hours on something.
②I do my homework.
②句实际上就是①句something的内容.如果我们把两句话合为一句,I是重复的,只要①句中I保留就可以了.那么②句重要的就是“做作业”这件事.当用②句去替换something时,一定要注意something是一个名词,替换后的词性仍然得是名词性的.这个时候就要借助于动名词结构.
doing homework就是一个动名词结构,它具有名词性.所以就把something替换为doing homework.
当然如果更详细讲的话,还要涉及到V-ing结构,V-ed结构
简单点说V-ing结构可以看成动名词或是现在分词.前者是名词性的,后者是形容词性的
V-ed可以看成过去分词,具有形容词性.
你要检查一个句子的搭配对不对,重要的是要看各个成分的词性对不对.
例如:①I am looking forward to something.
②I am invited to the party.
同样把它们合成一句话,②句就是①句something的内容
可是如果写成I am looking forward to invited to the party.就是错的.因为invited是形容词词性的.这与介词后要接名词性从句或短语相违背.这个时候可以将采用invite的派生名词invitation代替invited,成为:
I am looking forward to invitation to the party.
或者我们在invited之前接个being将其词性转化为名词性
I am looking forward to being invited to the party.
可能你还无法完全理解我所说的,不过我想有一点你应该始终牢记.固定搭配之所有成立是有原因的.当你英语学到一定程度之后,一定要回过头来,重新审视这些搭配的合理性.
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