作为情态动词,两者都只能 用于疑问句,否定句和条件句。 need 作实义动词时后面的不定式 必须带to,而dare作实义动词用时, 后面的to时常可以被省略。 1) 实义动词: need+ n. / to do sth. 2) 情态动词: need,只用原形need后加 do,否定形式为need not. e.g. ---- Need you go yet? ---- Yes, I must. / No, I needn't. 3) need, want, require, worth(形容词) 后面接doing也可以表示被动。 need doing = need to be done 四. 可兼做行为动词的情态动词:need 、 dare 情态动词 (+动词原形) 行为动词 1.无人称和数的变化; 多用于肯定句; 2.尤其用于: need *否定句及疑问句中; (sb.) need to do *在if/whether之后; dare to do *或与hardly, never, (sth.) need to be no one, nobody连用; done dare 3.常以needn’t 和daren’t (sth.) need doing 的形式出现; 4.dare有其过去时dared. 1.fever 2.stomach 3.cough and sore throat a.lie down and rest b.drink some hot tea with honey c.see a dentist and get an X-ray d.take your temperature e.put some medicine on it 4.toothache 5.cut myself lie v.平躺 (lay,lain, lying )lie down He is lying on the road. lie vi 撒谎;说谎(lied,lying) n. 谎言;假话 lay v.产卵;下蛋(laid,laid) X-ray n. X光 He hurt his leg just now, let him get a X-ray. ache 、sore和hurt 的区别: 1. ache 是一个名词后缀,如: toothache , headache ; 2 . sore形容词,修饰名词,指的是 身体某一部位的酸痛。如:sore back, sore throat 3. hurt动词,指“刺痛,使受伤 痛”。如:He hurts his leg.他伤了腿。 还可以说“His leg hurts.”他腿疼。 一般情况下用have+a+n. 表示患了 某种疾病。 have a bad cold have a high fever be in a fever 严重的感冒 发高烧 在发烧 matter cn.毛病;麻烦事 What’s the matter (with sb.)? 用于询问某人患了何种疾病或遇到了某种麻烦。 =What’s wrong with you? =What ‘s your trouble? matter vi. 要紧;有关系 主要用于否定句、疑问 句或条件句中。 eg: It doesn't matter. no matter 与who,what, where等连用,相当于 whoever,whatever,wherever等,可引导让步状语 从句。 eg:Don't speak loudly,no matter where you are. 1.too much相当于一个副词,修饰动词,放在 后面作状语,意为“太多”。 eg:Eating too much is bad for your health. 2.enough adj. 足够的;充足的。修饰名词时, 常放在前,有时也放在名词后。 eg:I have enough money. adv. 足够地;充足地,修饰adj./adv.或v., 位置后置 eg:It is good enough for me. be+adj.+enough+to do不能足够。。。,不能做某 事 ? I wonder if Jay will come to our school this weekend. comes ? -----If he ______,we will be very excited. ? if 是否,引导宾语从句 ? if 如果,引导条件状语从句 主将从现 take breaks 休息 We take a break every forty-five minutes. without prep. =/= with 没有 I went to school with having breakfast. when 这时 I was taking a shower when the bell rang. see sb doing sth 看见某人正在做某事 When I came in , I saw some children playing in the garden. think twice 认真思考 You should think twice before you make this decision. to one’s surprise eg:To my surprise , the lazy boy helped his mother do the housework every day. agree with,agree to, agree on 的区分 agree with 接“人”或“意见” agree to 接“计划”或“建议” agree on 接“日期”或“条款” ? He got off and asked the woman what happened. ? get off 为“动词+副词”结构的短语,意为 “下车” ? get on 登上(汽车、火车)+较大的交通工具 ? get into 进入+较小的交通工具 ? get out of 从。。。下来 ? happen vi 发生 ? 表示“某人或某物发生某事”时,用“Sth happens to sb./sth”来表达。 ? 当happen作“碰巧”讲时,常用句型“Sb. happens to do sth.”和“It happens+that”从句 来表达 thanks to sb/sth 多亏 eg:Today ,thanks to the Internet , we can shop from home. thanks for 感谢 in time与on time in time 及时 on time 准时,指按计划做某事 She should cover the cut with the clean cloth. She shouldn’t eat candy any more. They should take some medicine. He should often exercise .