牛津?qū)嵱糜⒄Z(yǔ)語(yǔ)法:156 must表示推斷
A 各種形式
現(xiàn)在時(shí)
must+現(xiàn)在式:
He must live here.
他一定是住在這里。
或must+進(jìn)行式:
He must be living here.
(譯文同上。)
過(guò)去時(shí)
must+完成式:
He must have lived here.
他一定在這里住過(guò)。
或 must+ 完成進(jìn)行式:
He must have been living here.
他當(dāng)時(shí)一定住在這里的。
注意 must的各種過(guò)去式表示推斷和 had to相當(dāng)于 must表示義務(wù)的區(qū)別。
must不能用于表示否定的推斷,一般也不用于疑問(wèn)式,除非是對(duì)含有must的推斷句提問(wèn):
There is a lot of noise from upstairs.It must be Tom.
Why must it be Tom?Other people use that flat.
樓上喧鬧的聲音很大。一定是湯姆弄的。
為什么一定是湯姆呢?那套房子里也有別人。
B 例句
He has a house in London and another in Paris,so he must be rich.
他在倫敦有一棟房子,在巴黎又有一棟房子,可知他一定有錢(qián)。
Ive had no sleep for 48 hours.
You must be exhausted.
我已經(jīng)48小時(shí)沒(méi)睡覺(jué)了。
你一定筋疲力盡了。
He develops his own films.That must save him a lot of money.
他自己沖洗照片。那樣肯定為他節(jié)省了很多錢(qián)。
I keep meeting him on the bus.He must live/must be living near by.
我接連在公共汽車(chē)上碰到他。他一定就住在附近。
The police are stopping all cars.They must be looking for the escapedprisoner.
警察命令每一輛車(chē)都停下來(lái)(接受檢查)。他們一定是在查找逃犯。What explosion?I didnt hear any.
You must have heard it!The whole town heard it!
什么爆炸聲?我一點(diǎn)也沒(méi)聽(tīng)見(jiàn)。
你一定聽(tīng)見(jiàn)了!全城人都聽(tīng)見(jiàn)了!
He must have taken sleeping pills last night.He didnt wake up till lunch time.
他昨晚一定吃了安眠藥。他一直到吃中午飯的時(shí)候才醒來(lái)。
I waited under the clock!
So did I,but I didnt see you!We must have been waiting under differ- ent clocks.
我在大鐘底下等的!
我也是,可我沒(méi)見(jiàn)到你!一定是在兩個(gè)不同的鐘底下等的。
It was a head-on collision,but the drivers werent hurt.
They must have been wearing their seat belts.
這次車(chē)禍中肇事車(chē)輛迎頭相撞,但兩個(gè)駕駛員都沒(méi)傷著。
他們肯定系了安全帶了。
A 各種形式
現(xiàn)在時(shí)
must+現(xiàn)在式:
He must live here.
他一定是住在這里。
或must+進(jìn)行式:
He must be living here.
(譯文同上。)
過(guò)去時(shí)
must+完成式:
He must have lived here.
他一定在這里住過(guò)。
或 must+ 完成進(jìn)行式:
He must have been living here.
他當(dāng)時(shí)一定住在這里的。
注意 must的各種過(guò)去式表示推斷和 had to相當(dāng)于 must表示義務(wù)的區(qū)別。
must不能用于表示否定的推斷,一般也不用于疑問(wèn)式,除非是對(duì)含有must的推斷句提問(wèn):
There is a lot of noise from upstairs.It must be Tom.
Why must it be Tom?Other people use that flat.
樓上喧鬧的聲音很大。一定是湯姆弄的。
為什么一定是湯姆呢?那套房子里也有別人。
B 例句
He has a house in London and another in Paris,so he must be rich.
他在倫敦有一棟房子,在巴黎又有一棟房子,可知他一定有錢(qián)。
Ive had no sleep for 48 hours.
You must be exhausted.
我已經(jīng)48小時(shí)沒(méi)睡覺(jué)了。
你一定筋疲力盡了。
He develops his own films.That must save him a lot of money.
他自己沖洗照片。那樣肯定為他節(jié)省了很多錢(qián)。
I keep meeting him on the bus.He must live/must be living near by.
我接連在公共汽車(chē)上碰到他。他一定就住在附近。
The police are stopping all cars.They must be looking for the escapedprisoner.
警察命令每一輛車(chē)都停下來(lái)(接受檢查)。他們一定是在查找逃犯。What explosion?I didnt hear any.
You must have heard it!The whole town heard it!
什么爆炸聲?我一點(diǎn)也沒(méi)聽(tīng)見(jiàn)。
你一定聽(tīng)見(jiàn)了!全城人都聽(tīng)見(jiàn)了!
He must have taken sleeping pills last night.He didnt wake up till lunch time.
他昨晚一定吃了安眠藥。他一直到吃中午飯的時(shí)候才醒來(lái)。
I waited under the clock!
So did I,but I didnt see you!We must have been waiting under differ- ent clocks.
我在大鐘底下等的!
我也是,可我沒(méi)見(jiàn)到你!一定是在兩個(gè)不同的鐘底下等的。
It was a head-on collision,but the drivers werent hurt.
They must have been wearing their seat belts.
這次車(chē)禍中肇事車(chē)輛迎頭相撞,但兩個(gè)駕駛員都沒(méi)傷著。
他們肯定系了安全帶了。