① How long does it take to get to school?②It takes me ten minutes.-③How far is it from your home to school?④It is 5 kilometer.It 表示什么 陈述句It是形式主语真正主语是什么 为什么不用真正的主语
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![① How long does it take to get to school?②It takes me ten minutes.-③How far is it from your home to school?④It is 5 kilometer.It 表示什么 陈述句It是形式主语真正主语是什么 为什么不用真正的主语](/uploads/image/z/2915063-71-3.jpg?t=%E2%91%A0+How+long+does+it+take+to+get+to+school%3F%E2%91%A1It+takes+me+ten+minutes.-%E2%91%A2How+far+is+it+from+your+home+to+school%3F%E2%91%A3It+is+5+kilometer.It+%E8%A1%A8%E7%A4%BA%E4%BB%80%E4%B9%88+%E9%99%88%E8%BF%B0%E5%8F%A5It%E6%98%AF%E5%BD%A2%E5%BC%8F%E4%B8%BB%E8%AF%AD%E7%9C%9F%E6%AD%A3%E4%B8%BB%E8%AF%AD%E6%98%AF%E4%BB%80%E4%B9%88+%E4%B8%BA%E4%BB%80%E4%B9%88%E4%B8%8D%E7%94%A8%E7%9C%9F%E6%AD%A3%E7%9A%84%E4%B8%BB%E8%AF%AD)
① How long does it take to get to school?②It takes me ten minutes.-③How far is it from your home to school?④It is 5 kilometer.It 表示什么 陈述句It是形式主语真正主语是什么 为什么不用真正的主语
① How long does it take to get to school?②It takes me ten minutes.-
③How far is it from your home to school?
④It is 5 kilometer.
It 表示什么 陈述句It是形式主语真正主语是什么 为什么不用真正的主语
① How long does it take to get to school?②It takes me ten minutes.-③How far is it from your home to school?④It is 5 kilometer.It 表示什么 陈述句It是形式主语真正主语是什么 为什么不用真正的主语
① How long does it take to get to school?
②It takes me ten minutes.
这两个句子中it是形式主语,代替动词不定式to get to school,动词不定式作主语一般用it代替,避免主语太长,而谓语太短,出现头重脚轻的现象.
③How far is it from your home to school?
④It is 5 kilometer.
这两个句子中的it指距离,it可以指距离,时间等作主语
例如:what time is it?
what day is it today?
是形式主语,真正的主语太长了,外国人不喜欢头重脚轻。