非谓语中doing 和 having done的区别

非谓语中doing 和 having done的区别
比如____in thought,he almost ran into the car in front of him
这里填LOST 而不是 having lost
而 ______his letter,i will write another letter to him
这里就要填having not received~
wanghm007 1年前 已收到1个回答 举报

小佳0202 幼苗

共回答了9个问题采纳率:100% 举报

明显发生在主句前的用having done,无明显先后顺序的,不用完成时.

1年前

2
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