地质中学初中英语肖弦课件教学设计.doc

地质中学初中英语肖弦课件教学设计新目标英语九年级Unit 1Unit 1 Grammar Focus Class TypeGrammar Objectives1.To learn the structure “verb + by with gerund”. 2.To better understand and express the structure well in practice.Key structure1. How do you learn English? I learn English by studying with a group. 2.Do you learn English by reading aloud? Yes, I do. 3.How can I read faster? You can read faster by reading word groups. 4.How can I improve my pronunciation? One way is by listening to the tapes.DifficultiesHow to well describe the sentence structures “verb + by with gerund” in practice.Vocabularyrepeat, note, physical, chemistry, memorizetake notes, pen palPeriod1ProcedureLead-inRead some sentences with “by ” underlined.Step 1Explain “ by + 动名词”, and give some examples.Step 2Answer some questions using the form “by ”.Step 3Exercises. Translate sentences into English.Step 4Explain the uses of “by”, and give some examples accordingly.Step 5Give comparisons about “by, in, with”.Step 6More exercises. 1.English and Chinese translations. 2.Complete sentences with phrases of “by”.介词by的用法观察Grammar Focus中by+V-ing 的部分How do you learn English?I learn by studying with a group.Do you learn English by reading aloud?Yes, I do. It helps my pronunciation.How can I read faster?You can read faster by reading word groups.How can I improve my pronunciation?One way is by listening to tapes.注意：“介词by + 动名词”常常表示手段、方式或方法，可以用来回答how引导的特殊疑问句。如：- How do you learn English?- I learn English by watching English movies.How do you practice speaking English?By having conversations with friends.等讲解一些相关练习全面总结 by 的用法 by是介词, 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 writ