英文病句急诊室300句，分析在口语和写作中容易犯的英语错误，含有正确使用方法及解析。
1. Smoking will definitely influence your health.(x)
Smoking will definitely affect your health.(√)
influence是指“影响”事物的后续发展，如:Don't let others influence your decision.(不要让他人影响你的决定。)affect是指对事物产生(负面)的“影响”。
2. I can't afford losing face.(x)
I can't afford to lose face.(√)
can / can't afford + to V.表“付(买)/承受不起……”，为固定用法。
3. My mother is old and ill; therefore, I am afraid of her.(x)
My mother is old and ill; therefore, I am afraid for her.(√)
be afraid of是指“害怕某人l物”。be afraid for=be worried about，是“为……担心/忧心”的意思。
4. Since you are here, he is afraid of coming.(x)
Since you are here, he is afraid to come.(√)
be afraid to do sth是指“不敢或极不愿意做某事”。
5. A: Will the typhoon come? B: I'm so afraid.(x)
A: Will the typhoon come? B: I'm afraid so.(√)
I'm so afraid.(我很怕。)答非所问。I'm afraid so.是接近“Yes.”的回答。
6. Don't worry, They'll be back after a week.(x)
Don't worry, They'll be back in a week.(√)
表示将要发生的动作或存在的状态时,须用in a day/two weeks / three years。after+N,主要是以事件或活动为主,如:after work(下班后),after the war(战后),after two days'rest(休息两天之后)。
7. John became a successful businessman after two years.(x)
John became a successful businessman two years late.(√)
当表示过去某一段时间后发生的动作或情况时，须用a week / two months later。
8. Don't be too harsh on him. He is a child, above all.(x)
Don't be too harsh on him. He is a child, after all.(√)
above all意为“最重要的是”，作副词词组用，如:Above all, you should wear warm clothes.(最重要的是，你要穿保暖的衣服。)after all是“毕竟”的意思。
9. I'll have to write the letter over and over again because it is missing.(x)
I'll have to write the letter all over again because it is missing.(√)
over and over again=again and again=time and again，都是“一而再”的意思，如:I've told you over and over again not to oversleep.(我一而再地告诉你，不要睡过头了。)all over again是“重来一遍”的意思。
10. This bike costs again as much as that one.(x)
This bike costs as much again as that one.(√)
This bike costs twice as much as that one.(√)
as much / many / large attain as = twice as much /many / large as.意为“是……的两倍(大)”。