情态动词 may/might +完成时1、manage vt. 经营；设法；对付She managed the house very well. 她把家管理得很好。We managed to finish the work ahead of time. 我们设法提前完成了任务。I shan’t be able to manage without help. 没有人帮助，我无法办到。 manage to do sth. /try to do sth.manage to do sth. 意为“设法完成或做到某事”，强调已达到目的或出现了结果，含“成功”之意。try to do sth. 意为“试图或尽力做某事”，多表示一种企图或决心，而不表示一定成功。如：we’ve managed to make up for the lost time. 我们设法把失去的时间补了回来。He tried to pass the examination,but failed. 他努力想通过考试，但没成功。He managed to organize a live concert. = He succeeded in organizing a live concert.他设法组织了一次现场直播的音乐会。2、live live by it 赖……为生；以……为生（不可用于被动语态） Live by(one’s)pen 以笔耕为生live through(it) 活过，度过……而不死（不可用于被动语态） live out 活着，熬过live…life 过着……生活 live a hard life 过着艰苦的生活 live a miserable life 过着悲惨的生活live a happy life 过着愉快的生活 live a quiet life 过着安静的生活Einstein lived the rest of his life quietly in the USA. 爱因斯坦在美国安静地度过了他的余生。 The working people are living a happy life now. 劳动人民过着幸福的生活。3、“情态动词 may/might +完成时”的结构的用法：①may/might + have + 过去分词，表示推测过去某动作“可能”发生了。如：I can’t find my sunglasses, I may/might have left them at the restaurant yesterday.一般来说，may 和 might 两者意思上没什么区别，只是 may 比 might 表示的可能性大些。如：He may have heard of it from Jack.He might have heard of it from Jack.在下列情况下，may 和 might 用法有区别：句子的主要动词是现在时，间接引语中用 may/might;句子的主要动词是过去时，间接引语中只用 might.如：He says that she may/might have misunderstood him.He said that she might have misunderstood him.②might + have + 过去分词，表示对本来可能发生而实际并未发生的动作的感叹或遗憾含有“责备”、“抱怨”之意，而 may+完成时无此含义。如：You might have told us earlier. This medicine might have cured your cough.
