never once ______(老兩口互相爭(zhēng)吵）since they were married 40 years ago.答案用的是一般過去式.
never once ______(老兩口互相爭(zhēng)吵）since they were married 40 years ago.答案用的是一般過去式.
可不可以用過去完成時(shí)呢?這個(gè)since從句的時(shí)態(tài)使用的具體規(guī)則是什么呢?
可不可以用過去完成時(shí)呢?這個(gè)since從句的時(shí)態(tài)使用的具體規(guī)則是什么呢?
英語人氣：697 ℃時(shí)間：2019-08-19 07:14:07
優(yōu)質(zhì)解答
since 后是過去時(shí),之前是現(xiàn)在完成時(shí).若是跟段時(shí)間,還可以用一般現(xiàn)在時(shí).如：Great changes have taken place in the city since we met last time.It's ten years \ has been ten years since we met last time.你問...
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