英语各种问句.一般:He speaks Chinese.Does he speak Chinese?过去:She went to school yesterday.Did she go to school yesterday?现在完成:He has lived here since 1949.Has he lived here since 1949?为什么一般、过去的疑问句中

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英语各种问句.一般:He speaks Chinese.Does he speak Chinese?过去:She went to school yesterday.Did she go to school yesterday?现在完成:He has lived here since 1949.Has he lived here since 1949?为什么一般、过去的疑问句中
英语各种问句.
一般:He speaks Chinese.Does he speak Chinese?
过去:She went to school yesterday.Did she go to school yesterday?
现在完成:He has lived here since 1949.Has he lived here since 1949?
为什么一般、过去的疑问句中动词都改原型,而现在完成时的疑问句中动词不改?

英语各种问句.一般:He speaks Chinese.Does he speak Chinese?过去:She went to school yesterday.Did she go to school yesterday?现在完成:He has lived here since 1949.Has he lived here since 1949?为什么一般、过去的疑问句中
其实这个问题就相当于问:为什么我们叫北京首都(du)不叫首都(dou)?明白吗.这就是一种习惯.学英语过程中,少问为什么,多问怎样做.如果非要解释,那么我只能说have/has done 是在一起的.
望采纳

英语各种问句.一般:He speaks Chinese.Does he speak Chinese?过去:She went to school yesterday.Did she go to school yesterday?现在完成:He has lived here since 1949.Has he lived here since 1949?为什么一般、过去的疑问句中 英语各种问句.一般:He speaks Chinese.Does he speak Chinese?过去:She went to school yesterday.Did she go to school yesterday?现在完成:He has lived here since 1949.Has he lived here since 1949?为什么一般、过去的疑问句中 He speaks English.(变否定句、一般疑问句) 英语纠错-请问哪句话有错误?Neither I nor he speaks ChineseNeither he nor I speaks ChineseNeither of he and I speaks Chinese是不是都对? 英语中一般否定句问句是什么 英语翻译He speaks _______________________________. He speaks English well.. He speaks English_____. he speaks english very( ) He speaks Chinese(提问) 1,I can makea cake,(变一般疑问句)2,He speaks so fast(改为一般问句)3,He lies in china(就划线部分题问 划线部分是in china)4,I can shell English words(和三题一样 划线部分是English words) he speaks both english and chinese?变成一般疑问句怎么变呀? He speaks Chinese.怎么变否定句,一般疑问句,学霸们帮帮我 He speaks English very well.变一般疑问句做否定回答 ,并译 He speaks English very well.变一般疑问句做否定回答 ,并译 He speaks French.改为否定句、一般疑问句、现在进行时、一般将来时急! the teacher speaks quickly的问句 He often helps me study English. .( 一般问句. 同义句)