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课件网) Modal Verb情态动词 一、情态动词表能力(能够) 二、情态动词表请示、允许(能不能) 三、情态动词表必要性(必须) 四、情态动词表推测(可能) 五、情态动词+have done If you don't know what to do, you can turn to an_____for help. expert [n.] 专家；行家 [adj.] 熟练的；内行的；专家的 be expert in/at =be good at be an expert in/at translation: 因为我很擅长与人打交道，所以我有信心我能胜任这个职业。 (可应用于求职信) Since I'm expert in/at getting along with people, I'm confident that I'm equal to the job. She is such an_____girl that I am hopelessly_____to her. Besides, her songs are also an_____to me. attractive attracted attraction attract [v.] 吸引； 引起...的注意 attract one's attention attract A to B 使A受B吸引 A be attracted to B A被B 吸引 B be attractive to A B对A有吸引力 tourist attraction 旅游景点 _____to the comics, he didn't notice the teacher approaching. Attracted It will be very dangerous if you get_____to drugs. addicted be/get addicted to... 对...上瘾；入迷 addict [n.] 对...入迷的人；瘾君子 translation: 1. 有网瘾会对你的生活有不好的影响。 2. 沉迷于上网，他天天熬夜。 Being addicted to the Internet will have a bad influence on your life. Addicted to the Internet, he stays up late every day. 情态动词表能力 1.can 表示现在的能力 2.could 表示过去的能力 3.be able to 表能力，可用于多种时态 4. be able to 强调成功地做了某事 will would 1.用于向第二人称，征求对方意见。 eg: Would you please open the door 2.表示个人主观意愿。 eg: I will help you at anytime . 3.used to do “过去常常，强调现在不了” would 表示“过去常常” 情态动词表必要性 * must * need * have to had better：最好，应该，后接动词原形，与情态动词should用法相似 must表“必须” mustn't 禁止,不允许 1. don't have to 不必须 needn't do don't need to 2.must还可表示“偏偏、偏要” eg. Must you make so much noise 表示 “必须”这个意思时，must和have to 稍有区别。 must着重说明主观看法， have to 强调客观需要。另外，have to 能用于更多时态。 1. I don't like this TV set. We must buy a new one. 2. Mother was out, so I had to look after the shop. 注意对need 问句的回答： --Need I finish the work today --Yes, you must. --No, you needn't. --No, you don't have to. --Must we do in now --No, you needn't. D.don't have to C.may C.mustn't D.must 情态动词表推测 可能性的强弱层次： must>should/ought to>can/could>may/might must 表示推测 1. 可能性最强，只能用于肯定句 eg.That must be my pen. 2.must--很可能 can't--不可能 eg.That can't be my pen. should/ought to 表示推测 1.根据经验的推测，“应当、应该” eg.You photos should be ready by 12:00. 2. 表示“竟然”，带有感彩。 eg. It is strange that you should like him. can/could 表示推测 1.常用于否定句或疑问句 eg.You can't be hungry already-- you had lunch only two hours ago! 2. can用于肯定句中表示理论上的可能性，并不牵涉是否真的会发生。 eg. You can hurt yourself if you play in the street. may/might 表示推测 1.can not 不可能 may not 可能不 2.may well “极有可能” eg. Liza may well not want to go on the trip . --she hates travelin ... ...
