初中范围内的四道英语问题,求详解.1.When she came back/when she will come back/when will she come back 三者有何区别?2.动词不定式(to do)和动名词结构(doing)做主语究竟有何不同?3.有be different from . to .这

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初中范围内的四道英语问题,求详解.1.When she came back/when she will come back/when will she come back 三者有何区别?2.动词不定式(to do)和动名词结构(doing)做主语究竟有何不同?3.有be different from . to .这
初中范围内的四道英语问题,求详解.
1.When she came back/when she will come back/when will she come back 三者有何区别?
2.动词不定式(to do)和动名词结构(doing)做主语究竟有何不同?
3.有be different from . to .这种结构么?Paying the bill is defferent from country to country是神马意思?
4.carry与take,bring在什么场合下是明确地不能互换的?那些场合下又是可以互换的?

初中范围内的四道英语问题,求详解.1.When she came back/when she will come back/when will she come back 三者有何区别?2.动词不定式(to do)和动名词结构(doing)做主语究竟有何不同?3.有be different from . to .这
前两是陈述句,
第一句是过去式
当她回来的时候,when:当……时候
第二句是将来时
当她回来的时候
第三句是疑问句,将来时
她什么时候会回来?
to do 和doing 区别在于 主语被动的时候使用to do,主动时使用doing
be different from .to .并不是一种结构
Paying the bill is defferent from country to country中country to country是国与国之间的意思
全句为,支付方式不同于国与国之间.
take(主语带走……)
carry(本身携带……/搬运……)
bring(主语带来……)
take:I will take this one.我要买这个.
carry:Please carry that big bag to my house.请把那个大包扛到我的房子里.
bring:Your arrival brought me hope.您的来到给我带来了希望.