If it is snowing,如果下雪的話
這是用現(xiàn)在進行時表示將來的動作
we will have been walking in the snow for more than two hours
我們將一直在雪地里走路超過2小時
這是預測將來一直在進行的動作那如果是確實只走兩個小時 能不能用將來完成時如果是確實只走兩個小時 是可以用將來完成時的;但句子應改為By ten o'clock tommorrow morning, we will have worked in the snow for more than two hours.到明天早上10點,他們將已經(jīng)在雪中走了2個多小時。顯然,這里用了“By ten o'clock tommorrow morning”,表示的是將來已經(jīng)完成的動作。由于原句中有“If it is snowing”,表示一種猜測,猜測動作將要發(fā)生、會一直持續(xù)、而且2個多小時后還有可能持續(xù)下去,所以就要用將來完成進行時。1.將來完成時定義:將來完成時用來表示在將來某一時間以前已經(jīng)完成。經(jīng)常與before+將來時間或by+將來時間連用,也可與before或by the time或by the end of短語引導的現(xiàn)在時的從句連用。構(gòu)成: shall+have+過去分詞用于第一人稱,will+have+過去分詞用于其他人稱。舉例 They will have been married for 20 years by then. 那是他們將已經(jīng)結(jié)婚20年了 You will have reached Shanghai by this time tomorrow. 明天此時你將已經(jīng)到達上海了。2.將來完成進行時 定義:將來完成進行時表示動作從某一時間開始一直延續(xù)到將來某一時間。是否繼續(xù)下去,要視上下文而定。這個時態(tài)常和表示將來某一時間的狀語連用。構(gòu)成:主語+ shall/will have been doing 舉例: The play is coming off in August. By then the play will have been running for three months. 這個劇將于8月停演。到那時為止,這個劇將連演三個月了。
If it is snowing,we will have been walking in the snow for more than two hours.
If it is snowing,we will have been walking in the snow for more than two hours.
主句是將來完成進行時么?為什么不用將來完成時?
主句是將來完成進行時么?為什么不用將來完成時?
英語人氣:802 ℃時間:2019-08-20 12:18:54
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