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1、外研版初二下册Mobule4 problemU3-Grammar Module 4 New technology Module 4 Join the sentences with if: read books/ quiet / keep / in the library If you want to read books in the library,keep quiet. see the movies/ go to the cinemaIf you want to see the movies,go to the cinema. your hands/put up /answer the q
2、uestion If you want to answer the question,put up your hands. like / this picture / save / on the computer If you like this picture, save it on the computer. If引导的条件状语从句“主将从现” 1. 主句一般将来时，从句一般现在时1. 假如你努力工作，你的幻想将会实现。 If you work hard, your dream will come true. 2. 假如明天下雨，我不会出去漫步。 If it rains tomorrow,
3、 I wont go out for a walk. 2. if 从句用一般现在时，表示将来的 一种条件，从句+时间状语。 If you cant come tomorrow, we can hold the party a little later. 明天你假如不能来，我们可以迟一点 进行宴会。 If it doesnt rain tomorrow, well go to the Great Wall. 明天假如不下雨，我们就去长城。 3.当主句含有情态动词(can, should, must) 时，从句通常用一般现在时。 1. If you are tired, you can have
4、a short rest. 明天你累了，你可以略微休息一会儿。 If you dont know how to solve the problem, you must go to ask your teacher. 假如你不知道怎么解决这个难题，你必需 询问你的老师。 2. If she doesnt know the truth, she should ask someone else. 假如她不知道真相，她应当去问其他人。 用单词的正确形式填空。 1. If it _ (rain) tomorrow, rainsI _(will not)be happy. wont is sunny 2.
5、 If it _ (sunny) next Sunday, I _(go) traveling. will go understands 3. If she _ (understand), she_ (put) up her hand. will put 4.If he _ (work) hard, works he will pass (pass) the exam. _ If you want to cross a street 5._,you must wait for the green light. is red 6.If the light _ (red),should you _
6、 wait. 祈使句与if引导的条件状语从句间的转换 主语为you的条件状语从句可与“祈使句 +and/or+简洁句”的句式互换。(1)Work harder, and you will pass the exam. =If you work harder, you will pass the exam. 假如你再努力些，你就会通过考试。(2)Hurry up, or you will miss the train. =If you dont hurry up, you will miss the train. 假如不快点儿，你就赶不上火车了。 句型转换(转为同义句)(1) Listen to
7、 me carefully, or you will miss some important informtion. If you dont listen to me carefully, you will miss some important information. (2) Hurry up, or youll be late for the meeting. If you dont hurry up, you will be late. (3) Open the window, and you will hear the birds singing.If you open the wi
8、ndow, you will hear the birds singing. Part 3. If 引导的条件状语从句与If 引导的宾语从句的区分(1) My little brother wants to know if my father will ta ke him to the zoo tomorrow. (2) She asked if he would come. If 引导的宾语从句 (3) If she works hard, she will succeed. (4) If you dont finish your homework, your teacher will pu
9、nish you. If 引导的条件状语从句 If 引导的条件状语从句与If 引导的宾语从句的区分 意思： 宾语If 表“是否”;条件状语if 表 “假如”。 逗号： If 引导的宾语从句没有逗号；If 引 导的条件状语从句一般有逗号隔开。 位置：宾语从句一般位于主句之后；条件 状语从句位置敏捷，可位于主句之前或之 后。 时态：宾语从句中如表将来，则用将来时 态；条件状语从句中主句用一般将来，从 句应用一般现在时表将来。 1.If you _(want) to listen to music, _ want choose (choose) a CD. buy 2.If you _(buy) a
10、 new camera ,_(get) a getgood one. 3.if the light _(not come )on, doesnt come _(wait) for one minute. wait 4.If you _(want )to keep the picture save ,_(save) want it on your computer.5.If it _(not work ),_(wait) a doesnt work wait minute and then _(try) again. try 6.If you _(need) to send an email,
11、_(use) need use my computer. 7.If you _(not know) how to use the dont knowcamera, _(read) the instructions. read 8.If you _(not like) the dont like turn programme ,_(turn) the TV off. Write instructions1. record/press/red key If you want to record, press the red key _. 2. send/a text message/use/mob
12、ile phone If you want to send a text message, use _ the mobile phone _. 3. like/the pictures/save/on the computer _ If you like the pictures, save _. them on the computer 4. find out/ how it works/ read/ instructions If you want to find out how it works, _ read the instructions _. 5. see/ photos/ lo
13、ok on/ website If you want to see photos, look on the _ website _. Complete the passage with the correct form of the words and expressions in the box.button; choose; copy; connect; instruction; light; play back; memory; symbol; turn on Getting to Know Your Cd Recorder instructions Follow these (1)_
14、for the best button results. First, press the blue (2)_ to turn on (3)_ the recorder. When youre ready to record, light press the red button. The (4)_ comes on to show you that its recording. If you want to (5)_, press the play back green button. The recorder has only a small (6)_. To (7)_ memory copy your recording, (8)_ the connect recorder to your computer. (9)_ Choose symbol the copy (10)_
