2).by car = in a car

3).in pen = with a pen = with pens

六.across / through / over / by 经过

1.across 指横穿,穿过. 表示动作从某一物体表面上经过.

2.through 指穿过,透过,表示从某一物体空间内通过.

3.over 表示从某人或某物的上空经过或越过,不与表面接触.

4.by 表示从某人/某物的旁边经过.

Can you swim ______ the river ?

the elephant is so big that it can’t go _____ the gate .

I don’t think anyone can jump ___ the fence.

I walked _____ the bank of China yesterday .

七.in front of / in the front of

1.in the front of 表示在…….内部的前面

2.in front of 表示在……外面的前面

There is a desk in _____ front of our classroom .

There is a big tree in _____ front of our classroom.

八.其它介词的用法：

1.at的其它用法.

1).表示 “从事或正在做某事”,其后加的名词往往不加冠词.

She is at work now = She is working now .

2)at表示 “价格或速度”

The train ran at 120 kilometres an hour .

2.in的其它用法:

1)in表示 “在……方面”

词组:do well in = be good at

be weak in

2)in 表示 “穿着”后接表颜色的词或衣服.

词组: be in +衣服 = be wearing +衣服

3)in作副词, “在家” = at home

3.like 的用法:

1).像/和……一样. 常与系动词连用.

词组: look like sound like

2).与what 连用, “是什么样子, 怎样”.

What is he like ? He is kind .

4.off的用法:

1).从……下来, 脱离某物体.

词组: fall off

2). “休假”通常放在时间名词之后.

词组: have +时间+ off

He hasn’t had a night off for two hours .