初中英語(yǔ)語(yǔ)法——If引導(dǎo)的條件狀語(yǔ)從句(講解及練習(xí)).doc

此文檔收集于網(wǎng)絡(luò)，如有侵權(quán)請(qǐng)聯(lián)系網(wǎng)站刪除初中英語(yǔ)條件狀語(yǔ)從句（講解&練習(xí)）條件狀語(yǔ)從句的定義 條件狀語(yǔ)從句的引導(dǎo)詞 1.if引導(dǎo)的條件狀語(yǔ)從句 表示在某種條件下某事很可能發(fā)生。 If we pay much attention to the earth, well have a better world. 如果我們多關(guān)愛(ài)地球，就會(huì)擁有一個(gè)更美好的世界 If it rains tomorrow, what shall we do? 如果明天下雨，我們?cè)趺崔k？ 注意：if還可以引導(dǎo)虛擬條件句，表示不可實(shí)現(xiàn)的條件，從句中多用一般過(guò)去時(shí)或過(guò)去完成時(shí)。What would happen if there were no water ?如果沒(méi)有水會(huì)怎樣？2.unless引導(dǎo)的條件狀語(yǔ)從句unless的意思是如果不，除非?？膳cif.not互換。You will fail in English unless you work hard.你英語(yǔ)考試會(huì)不及格的，除非你更加努力。3.as /so long as引導(dǎo)的條件狀語(yǔ)從句 as /so long as意思是“只要”So long as youre happy,i will be happy.只要你高興，我就高興。條件狀語(yǔ)從句的種類(lèi)條件狀語(yǔ)從句的時(shí)態(tài)原則條件句從句主句真實(shí)一般現(xiàn)在時(shí)一般將來(lái)時(shí)情態(tài)動(dòng)詞+動(dòng)原祈使句非真實(shí)一般過(guò)去時(shí)be動(dòng)詞用（were）would/could+動(dòng)原注意 ：學(xué)習(xí) if 引導(dǎo)的條件狀語(yǔ)從句的用法,現(xiàn)在總結(jié)一下: if 條件句不一般,幾個(gè)要點(diǎn)記心間; 條件句,放在前, 逗號(hào)要放句中間。 條件句表真實(shí)，主將從現(xiàn)要遵從； 條件句非真實(shí)，虛擬語(yǔ)氣用到位。練習(xí) .單項(xiàng)選擇（ ）1.If you _ to the party, youll have a great time. A. will go B. went C. go D. going（ ）2. I _ her the answer if she _me. A. can tell, will ask B. will tell, will ask C. would tell, ask D. will tell, asks（ ）3. What are you going to do tomorrow? -Well go to the library tomorrow if it _. A. isnt rain B. rain C. wont rain D. doesnt rain（ ）4. What will you do if you _ to the old folks home?A. go B. went C. going D. will go（ ）5Ill give the book to him if he _ here next Sunday.A. will come B. comes C. is coming D. came.用所給詞的適當(dāng)形式填空6.If you _(feel) tired, you _ (have) to have a rest.7. Where _ he _(see) the film if he _(have) time?8. If there _(be) fewer trees, there _( be) more pollution.9. If Marcia _(live) alone, she _( keep) a pet parrot.assessment n. 評(píng)價(jià)；評(píng)定11. Lana _( buy) a new dress if the old one _(be) out of style.employee n. 雇員12.The twins _(fight) if they_(argue).sew vi. （用針線）縫13. I _(have) a bake sale if I _(need) money for education.14. Peter _( send) me a beautiful souvenir if he _(tour) Spain.15. I _(go) to the beach if it_ ( not rain) this week.squeeze out 榨出；擠出17. _they _( have) a match if the P.E. teacher _(be) busy?popularity n. 受人喜愛(ài)；流行18. If she _(get) up late, she _ ( not catch) the early bus.翻譯下列句子announce vt. 宣布；通知19.如果他到的晚了會(huì)發(fā)生什么事情？What _ if he _ late?pub n. 酒館；酒吧20. 如果努力學(xué)習(xí)，你就會(huì)取得好成績(jī)。vt. 轉(zhuǎn)換If you_ _, you good marks.per prep. 每；每一21. 他如果看電視太久了，他的父母會(huì)不高興。If he _ TV too much, his parents _ _ unhappy.happiness n. 幸福；快樂(lè)22. 如果我們?yōu)樗M織生日聚會(huì)，大家都會(huì)來(lái)的。Everyone _ if we _ a birthday party _ him.23. 如果明天不下雨，我會(huì)和你一起去公園的。 If it _ _ tomorrow, I _ go to the park _ you.24. 如果她睡過(guò)頭了，就會(huì)旅游遲到的。She;_ the trip if she _.25.