九年级unit1课件Grammar Focus.ppt

how引导特殊疑问句 * Unit 1 How do you study for a test? Section A Grammar Focus Look at these sentences. How do you study for a test? I study by listening to tapes. How do you learn English? I learn by studying with a group. how 用来询问做事的方式或手段，意为 “怎样、如何”。 How do you study for a test? I study by making flashcards. how 用在问候语中。如： 　 How do you do? 你好！ 这是初次见面时的问候语, 答语也用How do you do? how用来询问身体健康状况, 意为“怎么样”。 　　 How is your mother? 　　 She is very well. by 的用法 介词, 表示“通过……方法或途径的意思”, 译成“靠, 通过”, 后面可加名词、名词短语或动名词。可用来回答how引导的特殊疑问句。 1) The house was destroyed by fire. 房屋被火烧毁了。 2) travel by air / land / sea 航空（陆路，航海）旅行 3) go by train / boat / bus 乘火车（船，公共汽车） 4) shake sb. by the hand 和某人握手 5) I study English by watching English movies. 我通过看英文电影学英语。 另外, by作为介词的意义有很多, 例如: 1）在…旁边，靠近 There is a power station by the river. 河边有一个电厂。 2）沿着，经由 to enter by the door 由门进去 3）由于 by mistake 由于差错；错误地 4）被，由 some articles written by Lu Xun 一些由鲁迅写的文章 5）表示相（乘）除（以计算面积） a room 5m by 4m 一间长五米宽四米的房间 6）逐一；连续 one by one 一个接一个 英汉互译 I study English by listening to cassettes. (通过听录音带) by studying with a group. ( ) by watching English programs on TV. ( ) by taking part in English classes after school. ( ) 通过小组学习 通过看英文电视节目 通过放学后上英语班 I study English ___________________________(通过读英文杂志). ___________________________(通过读教科书). ___________________________(通过认真完成家庭作业). by reading English magazines by reading the textbook by doing homework carefully 现在完成时 (Present P