將來(lái)完成時(shí)

[例題]

1.I expect you will have changed your mind by tomorrow.

（我預(yù)料到明天你會(huì)改變主意了。）

2.by the end of this month, we surely will have found a satisfactory solution to the problem.

（到本月底，我們肯定會(huì)找到一種令人滿意的解決此問(wèn)題的方法。）

3.Yhe conference will have lasted a full week by the time it ends.

（到結(jié)束時(shí)，會(huì)議持續(xù)了整一周的時(shí)間。）

4.By the time you arrive in london, we will have stayed in Europe for two weeks.

（等你到達(dá)倫敦時(shí)，我們已在歐洲呆了兩個(gè)星期了。）

5.I hope her health will have improved greatly by the time we come back next year.

（我希望明年我們回來(lái)時(shí)，他的身體已好起來(lái)了。）

6.hurry up, or the tickets will have been sold out by the time we get there.

（快點(diǎn)，不然的話，我們到達(dá)那兒時(shí)，票就售完了。）

[解析]動(dòng)詞的將來(lái)完成時(shí)表示 在將來(lái)某個(gè)日期或某一個(gè)動(dòng)作發(fā)生之前，常用by來(lái)引導(dǎo)某時(shí)間另一個(gè)動(dòng)作將要結(jié)束或完成。