动词及动词辨析
一、advice，persuade ，suggest是否“劝成”了，未必知道。
其后常接1、名词或代词，2、动名词，作“建议、名词，3、不定式复合结构:4、that从句，从句谓语动词，常用虚拟语气，虚拟语气花花以前讲过，这里就不赘述了。
He often advised poploe ro use their brains.
他常常劝人们用脑子。
I advised that he(should) buy the book我建议他买这本书。
注意:advice是不可数名词，与动词advise不可混淆。常用of advice表示“一条建议”。
二、persuade作“劝服”讲，强调劝说“成功"。常用结构为:
persuade sb to do sth.和persuade sb. into doing sth.
They persuaded her to take the IELTS test.
他们说服了她参加雅思考试。
How can I persuade him into accepting the invitation?
我怎么能说服他接受这个邀请呢?
I tried to persuade him not to go to the cinema but he didn't lis-
ten to me.我尽力说服他不要去看电影但是他不听我劝告。(此句不可用persuaded代替tried to persuade, 因为并未“成功”，只had是尽力说服。)
Though the doctor advised his patient to give up smoking, yet the wasn't able to persuade him to do so.
虽然那位医生建议他的病人戒烟，但是，他没有能够说服他这样做。
三、suggest是及物动词，常作“提议建议"讲。其后常接:①名词;②动名词;③疑问词+不定式短语;④从句(从句中要用虚拟语气，即should do)。
Can you suggest a good dictionary?
你能推荐本好词典吗?
I suggest going home at once.
我建议马上回家。
They have suggested (to me )that I( should) study medicine.
他们建议我学医。
He didn't suggest what to do.
他没说出怎么办。
注意:suggest后不能接不定式或复合宾语。如:不可以说
He suggest her to take the money.应该说成：He suggest that she should take the money.