不是被動式,被動式是be后面加動詞的過去分詞.
這里的been后面是299 miles per hour,是一個速度,相當于一個名詞.
had been是過去完成時態(tài),
意思是在過去的某一時間他的平均速度曾經(jīng)是（達到過）299 mph
his average speed had been 299 miles per hour
his average speed had been 299 miles per hour
這句話用的是過去完成被動時態(tài)嗎 為什么要用被動形式呢?
這句話用的是過去完成被動時態(tài)嗎 為什么要用被動形式呢?
英語人氣：855 ℃時間：2020-06-17 09:06:03
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