主過(guò)從過(guò),主將從現(xiàn),主現(xiàn)從任

1、.重溫一道引起思緒混亂的題.After a wonderful meal, they told stories and sang songs by the campfire. 表示“在之后”的句式：after+從句/doing/n. after I arrived = After my arrival 在我到達(dá)之后 完成同義句轉(zhuǎn)換：when the plane arrived = After his arrival, we have a party. = = 時(shí)態(tài)使用重大的規(guī)則：（12字原則)主過(guò)從過(guò)，主將從現(xiàn)，主現(xiàn)從任【主將從現(xiàn)】常見的有以下三種情況： 一、When/if 引導(dǎo)的主句是一般將

2、來(lái)時(shí)，從句用一般現(xiàn)在時(shí)。Ill tell her the good news when she comes back.當(dāng)她回來(lái)的時(shí)候，我將把這個(gè)好消息告訴她。If it doesnt rain, he will come here on time.如果不下雨，他會(huì)按時(shí)來(lái)這兒的。2、 如果主句是祈使句，那么從句要用一般現(xiàn)在時(shí)。 Dont laugh at me when I make a mistake. 我犯錯(cuò)誤的時(shí)候不要笑話我。 三、如果主句是含有情態(tài)動(dòng)詞的一般現(xiàn)在時(shí)，從句多用一般現(xiàn)在時(shí)。You should be quiet when you are in the reading room

3、. 在閱覽室時(shí)應(yīng)保持安靜。 【主過(guò)從過(guò)】常見的有以下二種情況：1. 直接引語(yǔ)變成間接引語(yǔ)2. 賓語(yǔ)從句中，當(dāng)主句的謂語(yǔ)動(dòng)詞為過(guò)去時(shí)態(tài)時(shí)，從句須用表示過(guò)去的某種時(shí)態(tài)。例如：He asked when they would go to the party.他問(wèn)他們什么時(shí)候?qū)⑷⒓泳蹠?huì)。Miss Green said she had been to Beijing before.格林小姐說(shuō)她以前曾經(jīng)去過(guò)北京?！局鳜F(xiàn)從任】常見的有以下一種情況：在賓語(yǔ)從句中，當(dāng)主句的時(shí)態(tài)為現(xiàn)在的某種時(shí)態(tài)（一般現(xiàn)在時(shí)、現(xiàn)在進(jìn)行時(shí)、現(xiàn)在完成時(shí)等）后面從句時(shí)態(tài)不受主句限制，可選用各種適合的時(shí)態(tài)。例如：Do you know

4、when well have a football match?你知道我們什么時(shí)候舉行足球賽嗎？You know he has gone to Shanghai.你知道他已去上海了?！咎貏e關(guān)注】1. 當(dāng)賓語(yǔ)從句表述的是客觀事實(shí)、科學(xué)真理、現(xiàn)在的習(xí)慣動(dòng)作以及格言等時(shí)，只能用一般現(xiàn)在時(shí)。例如：The teacher told us that light travels faster than sound.老師告訴我們光速比音速要快。2.如果主、從句表示的動(dòng)作是一前一后發(fā)生的，則先前的用過(guò)去完成，在后的只能用一般過(guò)去時(shí)態(tài)。When he got there, the train had left.

5、當(dāng)他到那兒的時(shí)候，火車已經(jīng)開了?！拘≡嚿硎帧?. If he _ harder , he will catch up with us soon.（04 北京）A. study B. studies C. will study D. studied 2. I will go swimming with you if I _ free tomorrow.（04哈爾濱）A. will be B. shall be C. am D. was 3.If you _ a chance to study in a foreign country ,just take it .（04 蘇州）A. gettin

6、g B. had got C. will get D. get 4. Dont leave until he _ back.（） A. have come B. comes C. will come D. came 5. “ Shall we have the volleyball match tomorrow?” “ Oh, it will be put off if it _.（04 黃岡） A. snows B. is snowing C. snowed D. will snow 6.Tell him about the news when he _ ,John. Yes, I will

7、.（04 寧波） A.comes B.willcome C.would D.is coming 7.Tomorrow we will go to the city park_ it is sunny.（05 安徽） A.as soon as B. when C. if D. as 8.Please dont leave until your teacher _back.（05河南）A. will come B .came C. comes D. is coming 9 .I want to know if there _a sports meeting next month . If they _ it , I must get ready for it。（05青島） A. is,will hold B. will be, hold C. will be, will hold D. will have, hold 10. Mary, what about go