it做形式主语的问题比较下面2个句子:It's necessary to take exercise .The chair looked rather hard, but in fact it is very comfortable to sit on.对第一句来说,it做形式主语,真正的主语是不定式,改过来应该是 To take
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![it做形式主语的问题比较下面2个句子:It's necessary to take exercise .The chair looked rather hard, but in fact it is very comfortable to sit on.对第一句来说,it做形式主语,真正的主语是不定式,改过来应该是 To take](/uploads/image/z/1202780-20-0.jpg?t=it%E5%81%9A%E5%BD%A2%E5%BC%8F%E4%B8%BB%E8%AF%AD%E7%9A%84%E9%97%AE%E9%A2%98%E6%AF%94%E8%BE%83%E4%B8%8B%E9%9D%A22%E4%B8%AA%E5%8F%A5%E5%AD%90%EF%BC%9AIt%27s+necessary+to+take+exercise+.The+chair+looked+rather+hard%2C+but+in+fact+it+is+very+comfortable+to+sit+on.%E5%AF%B9%E7%AC%AC%E4%B8%80%E5%8F%A5%E6%9D%A5%E8%AF%B4%2Cit%E5%81%9A%E5%BD%A2%E5%BC%8F%E4%B8%BB%E8%AF%AD%2C%E7%9C%9F%E6%AD%A3%E7%9A%84%E4%B8%BB%E8%AF%AD%E6%98%AF%E4%B8%8D%E5%AE%9A%E5%BC%8F%2C%E6%94%B9%E8%BF%87%E6%9D%A5%E5%BA%94%E8%AF%A5%E6%98%AF+To+take)
it做形式主语的问题比较下面2个句子:It's necessary to take exercise .The chair looked rather hard, but in fact it is very comfortable to sit on.对第一句来说,it做形式主语,真正的主语是不定式,改过来应该是 To take
it做形式主语的问题
比较下面2个句子:
It's necessary to take exercise .
The chair looked rather hard, but in fact it is very comfortable to sit on.
对第一句来说,it做形式主语,真正的主语是不定式,改过来应该是 To take exercise is necessary.但是在第二句中,如果it也是形式主语的话,那么应该也有不定式做真正的主语吧,但把不定式直接放到前面的去变为To sit on is very comfortable.好像少了点什么吧?为什么呢?求解释!
it在it is adj to do句型中非得做形式主语吗??理解为代词,代替前面某个词(这里代chair)不可以吗?
it做形式主语的问题比较下面2个句子:It's necessary to take exercise .The chair looked rather hard, but in fact it is very comfortable to sit on.对第一句来说,it做形式主语,真正的主语是不定式,改过来应该是 To take
第二句你看错了.it=the chair
The chair is comfortable to sit on.
英语中的句型:It's +adj.to do sth.---Sth is +adj.to do.如:
It's hard to learn English.=English is hard to learn.
由于夲句用it代替了the chair,故带来了一定的麻烦.