if they had starded earlier than expect,they would be here now
if they had starded earlier than expect,they would be here now
would be 為什么不能換成would have been
would be 為什么不能換成would have been
英語人氣：914 ℃時間：2020-03-28 08:42:24
優(yōu)質(zhì)解答
If they had starded earlier than expected,they would be here now.這是虛擬語氣中的混合條件句.即,主句和從句假設(shè)的時間不一致.本句的從句假設(shè)時間是過去時,主句的假設(shè)時間是一般現(xiàn)在時.那if my lawyer had been here last saturday ,he would have prevented me from going 怎么不用would preventIf my lawyer had been here last saturday ,he would have prevented me from going. 從句假設(shè)的時間是星期六（過去時），當(dāng)然是星期六在這里的時候阻止了，所以主句也是過去時啦。would have prevented 算過去將來完成時？不是過去將來完成時，這是虛擬語氣的條件句中主句謂語動詞的形式，表示與過去時間相反的假設(shè)。
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