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1、U3 Is this your pencil?一、重点短语pencil box 铅笔盒 excuse me 打扰了 thank you =thanks谢谢你thank you for + doing/ n. an ID card 一个身份证 a school ID card 一个学生证 in the school library 在学校图书馆 ask sb. for sth向某人要某物 e-mail sb at+电子邮件 给某人发电子邮件 call sb at+号码 给某人打电话 lose sth 丢失某物 (过)lostfind sth 拾到某物 (过) founda set of keys
2、 一串钥匙 Lost and Found 失物招领二、重点句子1.Is this your pencil? 这是你的铅笔吗？Yes, it is. / No, it isnt.2.Is that your schoolbag? 那是你的书包吗？Yes, it is./ No, it isnt. 3.-Are these your books? 这些是你的书吗？ -Yes, they are./ No, they arent.4.Are those your pens? 那些是你的笔吗？ -Yes, they are. / No, they arent.5.What/ How about thi
3、s dictionary? 这本字典呢？6.Thank you for your help. 谢谢你的帮助。 -Youre welcome= Thank you for helping me.7.How do you spell it？ 你怎么拼写它？ -O-R-A-N-G-E.8.I must find it. 我必须找到它。9.Call me at 685-6034. 请打电话685-6034找我。三、重点语法1. 一般疑问句：用来询问某事或某情况是否属实，并需要对方用yes/ no做出肯定或否定回答的句子。1)将含有be动词的陈述句转换成否定句：直接在be动词后面not.结构：主语+be
4、+not+其它Eg: I am tall. -I am not tall. They are beautiful. -They are not beautiful.2）将含有be动词的陈述句转换成一般疑问句：一提二改三问号。一提：把be动词提前至句首。二改：be动词位于句首时要大写。三问号：句号变成问号。注意：如果原句中的主语是第一人称要变为第二人称结构：Be+ 主语+ 其它？ -Yes, 主语+ be./ No, 主语+ be not.Eg: I am a student. -Are you a student? Yes, I am./ No, I am not. He is my teac
5、her. -Is he your teacher? Yes, he is. / No, he isnt. They are tall. -Are they tall? Yes, they are. / No, they arent.练习：用be动词的适当形式填空。1. I am a boy. (否定句) _2. You are a student. (一般疑问句以及肯定回答) _3. They are my friends. (一般疑问句以及否定回答) _4. She is my sister. (否定句) _5. He is smart. (一般疑问句以及否定回答) _2. I must f
6、ind it. must是一个情态动词,意为“必须，应当，一定”。 所有情态动词后面都加动词原形！Eg: You must do your homework. 你必须做你的作业。must (否定) mustnt （表示禁止） eg: 你禁止去游泳。 You mustnt swim.其它的情态动词还有：can（可以）-cant（不可以）will（将会）-will not= wont（将不会）should（应该）-shouldnt（不应该）need（需要） -neednt（不需要）练习( ) 1. -Can I take this book out? -No, you_. A. cant B. m
7、ay not C. neednt D. arent ( ) 2. You_ go and see a doctor at once because youre got a fever(发烧). A. can B. must C. dare D. would ( ) 3 -Can you speak Japanese? -No, I_. A. mustnt B. cant C. neednt D. may not ( ) 4 Even(甚至) the top(顶尖的) students in our class cant work out this problem, so it_ be very
8、 difficult. A. may B. must C. can D. need ( ) 5 The children_ play football on the road. A. cant B. can C. mustnt D. must ( ) 6 You _ be late for school again next time(下一次). A. mustnt B. neednt C. dont have to D. dont need to ( ) 7 -Must I do my homework at once(马上)? -No, you_. A. neednt B. mustnt
9、C. cant D. may not ( ) 8 -Must we do our homework first? -No, you_. You may have a rest first. A. mustnt B. neednt C. may not D. cant3. a set of keys 一串钥匙a set of 意为“一套，一组，一列”，a set of +复数名词。注意：当a set of 复数名词作主语时，谓语动词用单数！例：The set of keys is Toms. 这串钥匙是汤姆的。4.Some keys are in Classroom 7E.some 表示“一些”
10、，后面既可以加可数名词复数，也可以加不可数名词，用于肯定句。any 也表示“一些”，后面既可以加可数名词复数，也可以加不可数名词，用于否定句/ 疑问句。Eg: I have some pens. 我有一些笔。 There arent any pens in the pencil box. 在铅笔盒里面没有笔。 Are there any pens in your schoolbag? 在你书包里有没有笔？练习用some/ any填空1) I have some _ good friends in my class.2) Is there _ water in the bottle?3) Do
11、you have _money?4) There are _ cakes on the table.5) Does he have _ brothers or sisters?6) We have _ apples, but we dont have _ pears.5.help 的用法help sb.(宾格) (to) do sth / help sb(宾格) with sth.Eg: 我帮助他学英语。I help him (to) learn English. = I help him with his English.练习：( )1. The teacher asks all the students to help _ the school clean. A. keep B. kept C. keeping D. keeps( )2. I help mum _ the dishes when I am free. A. washing B. washes C. wash D. washed( )3. Can you help me _ English? A. learn B. to learn C. learning D. learns( )4. Please help me _ my French.A. with B. learns C. to D. for
