八年级上册英语unit1-单词及语法讲解.ppt

Unit1 How often do you exercise? 1. ?疑问词how的用法 怎样，用什么手段，方法/交通工具 How are you? / How is she? How?did?he?do?it? / I?don’t?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?many，how?much表示“多少” how?many后接可数名词复数，how?much接不可数名词。 How?many?times do?you?go?to?the?park? How?many?pens?do you want? How much water do we drink every day? How?much?are?those?pants? (4) how?often是对动作发生的“次数”提问,询问的是 频率“多久一次” 回答可以是：Every day. / Once a week. / Three times a week. / Often. / ... How?often?do?you?play?tennis? How?often?do?you?surf?the?Internet. (5) How old...? 询问年龄 How old are you? I am five. (6) 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. exercise v/n shop v/ n He often exercises on weekends. We often do / take exercise on weekends. We often shop on weekends. There are many shops in the neighborhood. 4.?as?for意为“就……而论”，“至于” As?for?fruit，I?eat?it?sometimes. As for him，I never want to see him here. 至于他，我永远不希望在这里见到。 5. 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 6. She says it’s good for my health . 她说它对我的健康有意。 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?g