1、主语+insist on/upon+doing sth. 坚持做某事

　　主语+insist that+虚拟语气的从句主张……应该做(从句谓语用should do, should常可以省略)，但表示“坚持说”不用虚拟语气，从句谓语动词不一定用should加动词原形。例如：

　　He insisted on paying for the meal with his money.他坚持用他的钱付饭钱。

　　The doctor insisted that the patient was seriously ill and that he(should) be operated on.大夫坚持认为那位病人病得很厉害，应该动手术。

　　2、fall ill 生病

　　It is easy for the old to fall ill in winter.老年人很容易在冬天生病。

　　3、provide...with 为……提供……

　　The farmers provide us with grain and vegetables.农民为我们提供粮食和蔬菜。

　　同义词链接：supply sb. with sth; provide sth. for sb; supply sth.for sb.

　　4、I have decided to do sth. 我已经决定干……

　　I have decided to study medicine at university.我已经决定到大学里学医。

　　5、go bad 变质

　　这里的go为连系动词，与形容词连用，表示“变得(由好变坏)”。例如：

　　The milk went sour.牛奶变酸了。

　　6、be at sea 出海

　　Having been at sea for half a year, the seamen are homesick now.出海已经半年多了，海员们都很想家。

　　7、hear of 听说

　　Have you ever heard of a writer named Jack London?你听说过一个叫杰克-伦敦的作家吗?

　　8、from now on 从现在起

　　You'll be a member of our club from now on.从现在起你是我们俱乐部的一员。

　　9、keep somebody healthy 保持健康

　　Healthy food can help to keep us healthy.

　　健康食品能使我们保持健康。

　　辨析：keep healthy是通过食品等保持某人的健康；keep fit是通过某种锻炼手段使某人保持健康。

　　10、主语+suggest+doing sth.…… 建议做某事

　　suggest可接名词、代词或动名词作宾语。例如：

　　I suggest a visit to the theatre.我提议去看戏。

　　He suggested bringing the meeting to an end.他建议结束会议。

　　当suggest后接宾语从句时，从句中要用虚拟语气但suggest当“表明”讲时不用虚拟语气。例如：

　　The teacher suggested that we(should) attend the medical conference.老师建议我们去参加医学会议。

　　What he said suggested that he was brave.他的话表明他很勇敢。