牛津實用英語語法:156 must表示推斷
A 各種形式
現在時
must+現在式：
He must live here.
他一定是住在這里。
或must+進行式：
He must be living here.
(譯文同上。)
過去時
must+完成式：
He must have lived here.
他一定在這里住過。
或 must+ 完成進行式：
He must have been living here.
他當時一定住在這里的。
注意 must的各種過去式表示推斷和 had to相當于 must表示義務的區別。
must不能用于表示否定的推斷，一般也不用于疑問式，除非是對含有must的推斷句提問：
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。
Ive had no sleep for 48 hours.
You must be exhausted.
我已經48小時沒睡覺了。
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。那樣肯定為他節省了很多錢。
I keep meeting him on the bus.He must live/must be living near by.
我接連在公共汽車上碰到他。他一定就住在附近。
The police are stopping all cars.They must be looking for the escapedprisoner.
警察命令每一輛車都停下來(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?我一點也沒聽見。
你一定聽見了!全城人都聽見了!
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候才醒來。
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，可我沒見到你!一定是在兩個不同的鐘底下等的。
It was a head-on collision，but the drivers werent hurt.
They must have been wearing their seat belts.
這次車禍中肇事車輛迎頭相撞，但兩個駕駛員都沒傷著。
他們肯定系了安全帶了。
A 各種形式
現在時
must+現在式：
He must live here.
他一定是住在這里。
或must+進行式：
He must be living here.
(譯文同上。)
過去時
must+完成式：
He must have lived here.
他一定在這里住過。
或 must+ 完成進行式：
He must have been living here.
他當時一定住在這里的。
注意 must的各種過去式表示推斷和 had to相當于 must表示義務的區別。
must不能用于表示否定的推斷，一般也不用于疑問式，除非是對含有must的推斷句提問：
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。
Ive had no sleep for 48 hours.
You must be exhausted.
我已經48小時沒睡覺了。
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。那樣肯定為他節省了很多錢。
I keep meeting him on the bus.He must live/must be living near by.
我接連在公共汽車上碰到他。他一定就住在附近。
The police are stopping all cars.They must be looking for the escapedprisoner.
警察命令每一輛車都停下來(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?我一點也沒聽見。
你一定聽見了!全城人都聽見了!
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候才醒來。
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，可我沒見到你!一定是在兩個不同的鐘底下等的。
It was a head-on collision，but the drivers werent hurt.
They must have been wearing their seat belts.
這次車禍中肇事車輛迎頭相撞，但兩個駕駛員都沒傷著。
他們肯定系了安全帶了。
