情态动词后能加过去完成时 如 would had done 如果只存在 would have done 是不是had受情态动词变为have
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情态动词后能加过去完成时 如 would had done 如果只存在 would have done 是不是had受情态动词变为have
情态动词后能加过去完成时 如 would had done 如果只存在 would have done 是不是had受情态动词变为have
情态动词后能加过去完成时 如 would had done 如果只存在 would have done 是不是had受情态动词变为have
情态动词后,一般只能用动词原形.如:He can achieve a high mark if he takes the teacher's advice.
如果说他过去没有接受老师的建议,且没有取得高分,此时就可以很惋惜地说:If he had take the teacher's advice,he would have achieved a higher mark.
除了would have done,还有could have done 和might have done等形式,并没有would had done 这种说法.
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没有would had done ,只有would have done. 这属于虚拟语气的用法
情态动词后能加过去完成时 如 would had done 如果只存在 would have done 是不是had受情态动词变为have
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