时间中考越来越近，在今年疫情的特殊情况下，到现在还是没有开学，怎样提高升学率，时间紧，任务重，接下来的时间多发一些中考各科有关的内容，希望能帮到大家。
一、宾语从句中的时态主句是过去时态，从句中也要用过去时态，当从句表示客观事实，例如"太阳东升西落"则用一般现在时。1. Somebody said that drinking coffee_________ (cause)cancer. Do I have to give it up?
2. The TV news reports that there_________(be)a storm the day after tomorrow.
3. The teacher said that the moon __________(go) round the earth.
4. He said that he __________(ring) me up when he got there.
5. We were all surprised when he made it clear that he _________(leave) office soon.
6. I believe that those mountains _________(cover) with trees in a few years.
7. --What did your son say in the letter? --He told me that he _________(visit) the Disneyland the next day.
8. --Excuse me,sir. Would you do me a favor? --Of course. What is it? --I _________(wonder) if you could tell me how to fill out this form.9. I shall tell you what he _________(do)at three o'clock yesterday afternoon.
10. The reporter said that the UFO _________(travel) east to west when he saw it.11. The girl told me that she wanted to be an English teacher when she ________(grow) up.
12. They wanted to know when they _________(go) have an examination.
13. Bill said that he ________(do) his homework at half past seven yesterday evening.
14. Mum told me that we _________(take) a trip to visit our grandparents the next day.
15. She said she ___________(see) the principle already.
16. She said her family ___________(hide) themselves from the army during the war.
17. Mrs. Wu told me that her sister________ (leave) about two hours before.
18. He said he _________already_________(give) the book to the teacher.
二、时间状语从句时间状语从句表示动作发生的时间，所以使用的时态比较多比较灵活，需要具体情况具体分析。考察频率较高的为：when/while/as 引导时间状语从句出现使用一般现在时；一般过去时或过去进行时；而before/since引导的时间状语从句多考虑各种完成时；as soon as/until引导的时间状语从句多考察"主将从现"。（一）when/while/as 引导从句使用过去时或过去进行时1. --Why are you so late today? --Three buses went by without stopping while I_________(wait)at the bus stop.
2. --Great changes have taken place in our hometown over the past years.--Yeah. Things________(be)different when we were young.
3. Jane ________ (buy)a new dress every month when she was in Shanghai.
4. When the teacher came in, the students _________ (talk)about the new film.
5. As she _________(read) the newspaper,Granny was falling asleep.6. We was looking at the house as we ________(think) of buying it.7. It ________(rain) hard when I left my house.
8. When the teacher came into the classroom, the pupils ________(do) their exercises.
9. While mother_________(do) some washing, I made a kite for Kack.10. When she did some shopping, her money __________(steal).
11. He _________(make) a model plane when I came to see him.
12. The teacher_________ (give) us a history lesson when Tom walked into the classroom.13. Mr White was reading the newspaper while his daughter _________(watch)TV.
14. When I visited the Children's Palace, the children _________(jump) with joy.15. When you knocked at the door, I _________(do) some washing.16. The boy was learning English on the radio when I __________(open) his door.17. When they_________(walk) through the forest, a bear came at them.18. A young man watched her while she_________(finish)her work.（二）before/since/when/by the time引导从句使用一般过去时/现在完成时/过去完成时
1. When Jack arrived he learned Mary ________(leave) for about an hour.
2. --How long had they known each other before they _________(get) married? --For about a year.3. Helen ________(leave) her key in the office so she had to wait until her husband comes home.4. Where did you study before you _________(come) to this middle school?
5. I _________(know) her since she was a little girl.
6. When we arrived, the dinner ________(begin).
7. By the time he was 4, he ________(learn) a lot of German words.
8. We have known Xiao Li since she __________(be) a little girl.
9. How long has Mr. White been a member of Greener China since he________(come) to China?
10. By the time he was ten years old, he __________(complete) university.
11. He _________(work) in the factory for three years before he joined the Army.
12. Before I reached home, my parents __________(have)their supper.
13. Before the new reached him, he __________(get) to know about it.
14. She __________(teach)in this school since the past ten years.
15. By the time the speaker entered the hall, all the listeners_________(seat).
16. By the time the war _________(break)out, most of the people had left.
17. When Jack arrived he learned Mary __________(be)away for almost an hour.
18. That rich old man _________ (make) a will before he __________ (die).
19. They __________ (study) the map of the country before they ________ (leave).
20. I __________ (turn) off all the lights before I ________ (go) to bed.
21. He _________(learn) to play the piano before he was 11 years old.
22. By the time I came back they _________(climb) up ten metres.23. I had written him a second letter before I _________(hear) from him.
24. They ________(fly)for five hours when they arrived in New York.（三）时间状语从句中的"主将从现"
1. I will go to see Tom when he ________(finish) the training course.2. We will start as soon as our team leader________(come).
3. I'll let you know as soon as he ________(arrive).
4. I am sure he'll come to see me before he ________(leave) Beijing.
5. He will pay a visit to the exhibition when he ________(have) time.
6. I will go home for the vacation as soon as I ________(finish) my exams.
7. The worker ___________(clean) their classroom when the visitors arrive next week.
8. I will go with you when my homework ____________ (finish).
9. I will tell him as soon as he _________(come) back10. When she _________(come) next time, l will tell her everything.
11. Helen had left her key in the office so she had to wait until her husband ______(come) home.12. Few students can understand the sentence until it ________(explain) twice or three times.
13. He fell in love with this city as soon as he_________(get) off the plane.
14. -- Can Tom go to Beijing with us for holiday, Dad? -- He can when he ________(get) a bit older.
15. -- Don't forget to ask him to write to me. --I won't. As soon as he _________(come), I'll ask him to write to you.
16. He will have learned English for eight years by the time he _________(graduate) from the university next year.
三、条件状语从句主要引导词为：if/unless/as long as的"主将从现"1. As long as the whole of our society_______(keep)trying, we will make our skies blue again.
2. --When is the school art festival? --It will be held on time if it________(rain) next Monday.
3. The Young Pioneers will go to the zoo if it __________(not rain) this Sunday.
4. We'll go to the library tomorrow if it__________(not rain)
5. If he _________(study)harder, he will catch up with us soon.
6. Frank will come to see his grandma if he __________(be) free tomorrow. 7. If city noises_________(not keep)from increasing,people will have to shout to be heard even at the dinner table 20 years from now.8. If he _________(go) to college, he will learn a lot more.
参考答案
一、1.causes; 宾语从句中客观事实，用一般现在时2.will be; 时间状语the day after tomorrow为将来时。3.goes; 宾语从句中是客观事实，用一般现在时4.would ring; 主句用过去时，从句用过去将来时。5.would leave; 时间状语soon用将来时，主句用过去时，所以用过去将来时6.will be covered; 时间状语in a few years用将来时, "mountain"与"cover"应用被动语态。7.would visit; 时间状语the next day用将来时，主句用过去时，所以用过去将来时8.was wondering; 表示刚才我正想着……9.was doing; 时间状语"at three o'clock yesterday afternoon"过去时间点正在做用过去进行时。10.was traveling; 时间状语 "when he saw it"用过去进行时。11.grew; 宾语从句，主句使用过去时，从句用一般过去时。12.will go; 主句用一般现在，从句时态不受影响，根据句意是将来时，表示"什么时候会去"13.was doing;时间状语"at half past seven yesterday evening"过去时间点正在做用过去进行时14.would take; 时间状语the next day用将来时，主句用过去时，所以用过去将来时15.had seen; 时间状语 "already"用现在完成时，主句使用过去完成时，所以用过去完成时。16.hid; 宾语从句，主句使用过去时，从句用一般过去时。17.had left; 时间状语 "two hours before"需要用完成时主句使用过去时，所以用过去完成时。18.had given; 时间状语 "already"用现在完成时，主句使用过去完成时，所以用过去完成时。二、（一）when/while/as引导的时间状语从句，会根据情况在主句或从句中使用一般过去时或过去进行时1.was waiting; 2.were; 3.bought; 4.were talking; 5.read; 6.thought; 7.was raining; 8.were doing;9. was doing; 10.was stolen; 11.was making; 12.was giving; 13.was watching; 14. were jumping; 15. was doing; 16. opened; 17. was walking; 18. was finishing; （二）before或者一部分When 引导的时间状语从句中，从句部分用一般过去时，主句部分用过去完成时；since引导的时间状语从句，从句部分用一般过去时，主句部分用现在完成时；另外从句主句的划分时根据引导词来确定，引导词是起到连接句子的作用，所以引导词后面的句子就是从句，而另一个句子就是主句；1.had left; 2.got; 3.had left; 4.came; 5.have known; 6.had begun; 7.had learned; 8.was; 9.came; 10.had completed; 11.had worked; 12.had had; 13.had got; 14.has taught; 15.had seated; 16.broke; 17.had been; 18.had made; died; 19.had studied; left; 20.had turned; went; 21.had learnt; 22.had climbed; 23.heard; 24.had flown; （三）when/before/as soon as/until/by the time引导时间状语从句，主句出现将来时或者情态动词表达将来概念的情况下，从句用一般现在时表将来。1.finishes; 2.comes; 3.arrives; 4.leaves; 5.has; 6.finishes; 7.will clean; 8.finishes; 9.comes; 10.comes; 11.comes; 12.is explained; 13.gets; 14.gets; 15.comes; 16.graduates三、if/as long as/unless 引导条件状语从句，当主句用将来时或出现情态动词有表达将来概念的时候，从句用一般现在表将来。1.keeps; 2.rains; 3.doesn't rain; 4.doesn't rain; 5.studies; 6.is if; 7.are not kept; 8.goes;
