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Unit 2 How often do you exercise?,1. 疑问词how的用法 How are you? / How is she? /How did he do it? / I dont know how to swim./ How do you come to school? (2) 情况如何（指身体健康状况） How are you? (3) how often是对动作发生的“次数”提问,询问的是“多久一次” 回答可以是：Every day. / Once a week. / Three times a week. / Often. / . (4) How old.? 询问年龄 How old are you? I am five. (5) How about? 如何？ 怎么样？ How about going to the movies?,time表示不可数名词，意为“时间”。表示可数名词，意为“次数，倍数” What time is it? I go to the movies three times a week. 注意“次数”的表达方法 一次 once， 两次 twice， 三次或三次以上用基数词加上times： three times、five times、one hundred times. 表示“几次”的表达方法是： once a day/ a week/ a month/ a year twice a day/ a week/ a month/ a year,3. My mother wants me to drink it. 我妈妈想要我喝。 want to do sth. 想要做某事 want sb. to do sth. 想要某人干某事 Do you want to go to the movies with me？ 你想和我一起去看电影吗？ I want you to help me with my math. 我想要你帮我学数学。 有很多动词后面用这种结构做动词的复合宾语： ask sb. to do sth. 叫某人做某事 tell sb. to do sth. 告诉某人去做某事 help sb. (to) do sth. 帮助某人做某事,4. She says its good for my health .她说它对我的健康有益。 be good for.表示“对有益（有好处）” 其反义为：be bad for. 对有害/无益 Its good for us to do more reading. 多读书对我们有好处。 Drinking milk is good for your health. 喝牛奶对你的健康有益。 Reading English is good for studying English. 对英语对学习英语有益/有帮助。 Reading in bed is bad for your eyes. 在床上读书对你的眼睛有害。,5. maybe (adv.) = perhaps 也许，可能 Maybe he knows the answer. Maybe theyll go skateboarding. He may know the answer. 6. although = though 虽然 Although hes ill, he goes to school on time 虽然他生病了，但他还是准时上学。 She eats a lot of chocolate, although she is very fat. 虽然她很胖，但她却吃许多的巧克力。,7. 注意sometimes与几个形似的词的区别。 (1) sometime是副词，意为“在某个时候”，“某时” Will you come again sometime next week? 下周的某个时候你会再来吗？ She was there sometime last year. 她去年某时去过那。 (2) some time是名词词组，意为“一段时间”，做时间状语用 I will stay here for some time. 将在这呆一段时间。 He worked for that company for some time. 他为那家电脑公司工作了一阵子。 (3) some times是名词词组，意为“几次，几倍” I met him some times in the street last month. 上个月我在街上遇到他好几次了。 The factory is some times larger than that one. 这间工厂比那间大好几倍。 （4）sometimes 是频度副词，意为“有时” He sometimes goes skateboarding on weekends.他有时周末去滑滑板。,8. That sounds interesting. 那听起来有趣。 sound（听起来） look（看起来） smell（闻起来） taste（尝起来） feel（觉得） seem（好象） grow（变得） get（变得）等词在英语中可用作系动词，后跟形容词作表语。 It tastes good. 这味道好。 The music sounds very sweet.这音乐听起来很入耳。,
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