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 question

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. 如果你努力工作，你的梦想将会实现。 If you work hard, your dream will come true. 2. 如果明天下雨，我不会出去散步。 If it rains tomorrow, I won’t go out for a walk.

2. if 从句用一般现在时，表示未来的 一种条件，从句+时间状语。 If you can’t come tomorrow, we can hold the party a little later. 明天你如果不能来，我们可以迟一点 举行宴会。 If it doesn’t rain tomorrow, we’ll go to the Great Wall. 明天如果不下雨，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 a short rest. 明天你累了，你可以稍微休息一会儿。 If you don't know how to solve the problem, you must go to ask your teacher. 如果你不知道怎么解决这个难题，你必须 询问你的老师。 2. If she doesn't know the truth, she should ask someone else. 如果她不知道真相，她应该去问其他人。

用单词的正确形式填空。 1. If it _______ (rain) tomorrow, rainsI _____(will not)be happy. won’t is sunny 2. 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 ______ 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+简单句”的句式互换。(1)Work harder, and you will pass the exam. =If you work harder, you will pass the exam.

如果你再努力些，你就会通过考试。(2)Hurry up, or you will miss the train. =If you don't hurry up, you will miss the train. 如果不快点儿，你就赶不上火车了。

句型转换(转为同义句)(1) Listen to me carefully, or you will miss some important informtion. If you don't listen to me carefully, you will miss some important information. (2) Hurry up, or you'll be late for the meeting. If you don't hurry up, you will be late. (3) Open the window, and you will hear the birds singing.If you open the window, 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别(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 don't finish your homework, your teacher will punish 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别

意思： 宾语If 表“是否”;条件状语if 表 “如果”。 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 状语从句位置灵活，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 new camera ,_____(get) a getgood one. 3.if the light ________________(not come )on, doesn’t 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 doesn’t work wait

minute and then ______(try) again. try

6.If you _______(need) to send an email, ______(use) need use my computer.

7.If you _________________(not know) how to use the don’t knowcamera, _________(read) the instructions. read 8.If you _____________(not like) the don’t 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/mobile 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/ look 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)___________ for the best button results. First, press the blue (2)_________ to turn on (3)_________ the recorder. When you're ready to record,

light press the red button. The (4)_________ comes on to show you that it's 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)_________ and save the recording on the computer.