Unit 3知識點(diǎn)總結(jié)一、重點(diǎn)短語pencil boxexcuse methank you for sth.thank you for doing sth.Youre welcome.in the school libraryask.for.a set ofe-mail sb.e-mail sb. at+郵箱地址call sb.call sb. at+電話號碼What/How about sth.?What/How about doing sth.?How do you spell.? sb. must do sth.in classroom 3E二、重點(diǎn)語法1.一般疑問句(1)一般疑問句一般翻譯為“.嗎？”需要對方用yes或no來回答。(2)結(jié)構(gòu)和答語結(jié)構(gòu)be動(dòng)詞 + 主語 +其他？肯定回答Yes, 主語 + be動(dòng)詞.否定回答No, 主語 + be動(dòng)詞和not的縮寫（isnt/arent,特殊：No, Im not.).一般疑問句主語為this/that時(shí)，答語中主語用it.一般疑問句主語為those/these時(shí)，答語中主語用they.在肯定回答時(shí)，主語不能與be動(dòng)詞縮寫；否定回答時(shí)，be動(dòng)詞常與not縮寫，但是am與not不能縮寫(No,Im not.)2. 物主代詞2：名代(1)物主代詞的形式人稱第一人稱第二人稱第三人稱形代myouryouryourhis/her/itstheir名代mineoursyoursyourshis/hers/itstheirs注意：兩種代詞形不同，添個(gè)s形變名，his,its不用變，my變mine要記清。(2)用法形代起形容詞的作用，用在名詞前，后面必須有名詞； This is my book.名代起名詞作用，其作用相當(dāng)于一個(gè)名詞，只能單獨(dú)使用，不加名詞； This book is mine.名代=形代+名詞 This is my book. That is yours.名代可放在句末，形代不可放句末。注意：在使用名代時(shí)，必須有特定的語言環(huán)境，也就是要省略的名詞大家已經(jīng)知道，已經(jīng)提過。（只有上文提及了某個(gè)名詞，才會知道名代所指代的事物）(1) 順口溜:用形或用名，全憑后決定；有名則用形，無名則用名。3. 重點(diǎn)句型Is this your pencil?Yes,it is. Its mine.Is that his blue pen?No,it isnt. Its hers.Are these his books？Yes,they are. Theyre his.Are those your keys?No,they arent. Theyre Bobs.易錯(cuò)考點(diǎn)一、 用括號內(nèi)單詞的正確形式填空1. I find a set of_(key) in the morning.2. He has two nice_(watch). I have three _(box).3. What about _(ask) Tom.4. Thanks for_(help) me.5. The black watch is_(John).6. They are_(he) book. And that dictionary is_(she).7. Tina is _(they) new friend.8. -Excuse _(I),is that your dictionary? -No,it isnt. Its my_(teacher).9. Please email _(I) at 12345ebdj.10. My bag is blue. What about_(you).11. My sister lost some_(ID-card).12. There are two_(library) in our school.二、 選擇介詞in;at,for,of填空1. My friend is_China.2. Here are two photos_my family.3. Thanks _your help.4. Call me _1234567.5. E-mail me _123.6. You can ask your teacher_help.7. A set_keys is in the classroom.8. Is that your computer game_the school library.三、 單項(xiàng)選擇1. -My bike is black._yours,Bob? -Mine is black,too.A. WhoB. What aboutC. WhatD. How2. -_? -Yes,it is.A. Whats your name?B. Are you Alice?C. Whats this in English?D. Is this your jacket?3. -Thanks for your help,Jenny. -_.A. SorryB. Thats right.C. OK.D. Youre welcome.4. -_,is this your key? -No,it isnt.A. Excuse me.B. HelloC. Thanks.D. Sorry.5. -Is this _ring? -No,it isnt. Its _.A. your;AlanB. yours;AlanC. your;AlansD. yours;Alans6. -Mary,is that your brothers computer? -No,_is white.A. hisB. heC. hesD. its7. -Are these his pens? -_. Theyre my pens.A. Yes,they are.B. Yes,these are.C. No,they arent.D. No, these arent8. -Is this your pencil? -No,_isnt. Its_.A. this,BobB. that;BobsC. it;BobD. it;Bobs9. -Is this your ruler? -No,its her ruler._is in the pencil box.A. your;MyB. yours;MineC. your;Mine10.A set of keys_in the library.Are they_？A. is;yourB. is;yoursC. are;herD. are;his四、 按要求寫句子1. Is this Toms pencil?（做肯定回答）_2. Are these your boxes?（改為同義句）_3. Is this her pencil?（改為同義句）_4. My phone number is 123-5678.（改為同義句）_5. 這支藍(lán)色的鋼筆是我的。（完成譯句）_五、 將下列句子改為一般疑問句，并作肯定或者否定回答。1. This is my pencil box._2. Thats her green pen._3. These are Janes book._4. Those are my yellow pencil._