be rid of摆脱掉

get rid of摆脱掉；除掉；处理掉

如：

I am glad to be rid of him．我很高兴摆脱了他。

We'll have to get rid of him．

我们必须摆脱掉他。

He hopes to get rid of his bad habits．

他希望除掉他的坏习惯。

3)用于"动词+某人+of+某物"的常见短语还有：

①rob sb of sth抢劫某人某物

②remind sb of sth提醒某人某事

③inform sb of sth通知某人某事

④convince sb of sth使某冬信服某事

⑤ask sb of sth问及某人莱事

⑥expect sb of sth期望某人策事(物)．

⑦require sb of sth要求某人某事(物)

练习：

①You should rid yourself of the bad habits.

　You should the bad habits

②对父亲来说，要摆脱烟是很困难的

It's __________________________________________________

③If you want to advance yourself in your studies, you will first have to yourself of those shortcomings that can become barriers to progress.

　A. remove B. react C. rid D. reduce

④-You're coughing badly, Martin. Why not give up smoking?

　-Give up smoking? Easier said than done, Amy. Once you

the habit of smoking, it is very hard for you to

　A. keep up; break it away B. take up; drop it out

　C. pick up; get rid of it D. build up; do away with it

4. Using his hybrid rice farmers are producing harvests twice as large as before.

　用他的杂交水稻种子，农民们种出的粮食比以前多了一倍

知识归纳：英语中的五种常见倍数表达法:

rid...of摆脱；除去

用他的杂交水稻种子。农民们种出的粮食比以前多了一倍。

剖析：1)本句中的现在分词短语using his hybrid rice作方式状语。动词的现在分词除了作方式状语外，也可以作时间状语、原因状语或结果状语。

2）as...as前可以用表示倍数的词来修饰，如half，a quarter，twice，three times等，意为"是......多少倍"。

倍数的表达可用下面五个句型：