“How long does it take to get home?”里面it指代什么?How long does it take to get home?里面的it是指代人还是指代一种交通工具?为什么课本里面还出现了“How long it takes to get to his grandparents' home?里面的do怎

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“How long does it take to get home?”里面it指代什么?How long does it take to get home?里面的it是指代人还是指代一种交通工具?为什么课本里面还出现了“How long it takes to get to his grandparents' home?里面的do怎

“How long does it take to get home?”里面it指代什么?How long does it take to get home?里面的it是指代人还是指代一种交通工具?为什么课本里面还出现了“How long it takes to get to his grandparents' home?里面的do怎
“How long does it take to get home?”里面it指代什么?
How long does it take to get home?里面的it是指代人还是指代一种交通工具?
为什么课本里面还出现了“How long it takes to get to his grandparents' home?里面的do怎么没有了?
可不可以写成How long is it from school to my home?
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“How long does it take to get home?”里面it指代什么?How long does it take to get home?里面的it是指代人还是指代一种交通工具?为什么课本里面还出现了“How long it takes to get to his grandparents' home?里面的do怎
it代指to get home,带一件事,do可加可不加,不加了take 变成takes,因为是it 第三人称单数形式,不可以写成How long is it from school to my home,因为这样翻译不通,变成了从学校到我家多久,“汉式英语”但可以写成How far is it from school to my home.

第一个的it指get home,it做形式主语,get home才是真正的主语

这句话的意思是从学校到我家要多长时间,因此it指代时间。
How long does it take to get home?中do加动词原形,因此take是原形。这个句子是个完整的问句。而在How long it takes to get to his grandparents' home句中没有do,因此take加了s,而且这种形式是宾语从句,你看看前面是不是还有主语和谓语。例如I w...

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这句话的意思是从学校到我家要多长时间,因此it指代时间。
How long does it take to get home?中do加动词原形,因此take是原形。这个句子是个完整的问句。而在How long it takes to get to his grandparents' home句中没有do,因此take加了s,而且这种形式是宾语从句,你看看前面是不是还有主语和谓语。例如I want to know how long it takes to get to his grandparents' home,这句是宾语从句,意为我想知道到他爷爷奶奶家要多久,否则How long it takes to get to his grandparents' home这个句子是不完整的,它没有助动词。不知道我这样解释你明白了没有。
不行,take sb. 一段时间 to do是固定句子结构,How long is it from school to my home?这是Chinese-English,没有这样写的。
至于你的追问,do加动词原形,而你说的有的句子里面几个动词都要变成第三人称的形式,能具体描述一下句子吗?这样我才能详细解释。

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