新概念英语第二册09-01

发布时间：2012-12-26 编辑：查字典英语网小编

Lesson 7 Too late

一般过去时与现在完成时

共同点：动作在过去都做过了.

区别：过去式只强调过去的事，和现在没有任何关系.

I ate a piece of bread.

现在完成时，过去的事情对现在产生的影响.

I have eaten a piece of bread this morning. I'm not hungry.

The clock stopped. 陈述事实

The clock has stopped. 过去的事实对现在造成影响.

It snowed yesterday.

It has snowed yesterday. 强调对现在造成影响.

all morning = all the morning

The plane was late. 飞机晚(点)了.

The bus was late. / The train was late.

detectives 没有强调一些侦探或者那些侦探，强调侦探这种人;笼统概念，可不加some, the

... were waiting ... 故事背景，用进行时态

They were expecting ... 期待着心理上的等

They were waiting for ...

a valuable parcel of diamonds

a cup of tea 强调的是茶

South Africa 南非

a few hours earlier 几个小时以前

a few hours before / a few hours ago

someone had told ... 过去完成时，过去以前发生的事情

... that thieves would try to ...

would + do 过去将来式，间接方式，转述，站在过去看未来

that 从句，典型的宾语从句，起转述作用

steal sth.

one ... the other ... / some ... others ...

other = other + 名词复数

When the plane arrived, ... were waiting inside the main building while others were waiting on ...

when; while 当……的时候

while 能用when代替，但是when却不一定能用while代替

while + 从句，动作一定会延续

when + 延续性动作 / 瞬间动词 when he arrived

when he died

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