將來完成時的用法
將來完成時用在表示在將來某一時間以前已經(jīng)完成或一直持續(xù)的動作。下面學習啦小編就給大家介紹將來完成時的用法。
將來完成時的用法
1. 表示將來完成
即表示到將來某個時間為止勢必會完成或預計要完成的動作。如:
Maybe by then you will have changed your mind. 也許到時候你已經(jīng)改變主意了。
“You'll have finished by tomorrow.” “I wish!” “你到明天就完成了。”“但愿如此! ”
I hope I'll have finished the work by the end of the month. 我希望我這個月底能完成工作。
Demand for cars in the developed world will have reached saturation point within 20 years. 不出20年,已發(fā)展國家的汽車需求將達到飽和。
Planning so far ahead makes no sense—so many things will have changed by next year. 提前這么久就計劃并不明智——到明年,許多事情都會發(fā)生變化。
2. 表示動詞的持續(xù)
即表示某種狀況將一直持續(xù)到說話人所提及某一將來時間。如:
We will have been married a year on June 25th 到6月25日我們倆結(jié)婚就滿1年了。
By this time next week, I will have worked for this company for 24 years. 到下星期此刻,我已經(jīng)為該公司干了24年了。
3. 表示推測
即表示根據(jù)某情況作出的推測。如:
That will have been Roland. He said he'd be back at 7. 準是羅蘭,他說他7點鐘回來。
There will have been a definite result before Friday. 星期五以前將肯定會有結(jié)果。
將來完成時的語法分類
a. 狀態(tài)已完成:表示某事持續(xù)到將來某一時為止一直有的狀態(tài)。并在將來完成。
b. 動作已完成:表示將來某一時或另一個將來的動作之前,已經(jīng)完成的動作或已經(jīng)對動作產(chǎn)生一定的影響。
例:a:They will have been married for 20 years by then. 到那時他們倆結(jié)婚就滿20年了。
b: You will have reached Shanghai by this time tomorrow.明天的這個時候你就到上海了。
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