课件29张PPT。北师大 高二
Unit 20Unit 20 New FrontiersGrammar
--- The FutureReview: The Simple future一般将来时表示将要发生的动作或出现的状
态,由shall(will)+原形动词;或 am (is,
are) +going to+原形动词构成。
动词如go, come, leave, begin等可用现在进
行时表示未来计划或安排的动作。
am (is, are) +to+原形动词,表示计划或安排好的动作, 命令。 am (is, are) +about +原形动词表示最近
将发生的动作,一般不带时间状语。
动词come, go, arrive, leave, start, begin,
return的一般现在时可以表示将来,主
要用来表示在时间上已确定或安排好的
事情。Future Perfect将来完成时表示到将来某一时间点之前已经完成的动作或者将来某一时间以前一直持续的动作,并往往对将来某一时间产生影响。常用的时间状语一般为:by+将来时间短语或by the time, before, when等引导的句子。谓语动词常用非延续性动词。
e.g. By the end of next year I will have
lived here for ten years. The film will begin at 8:00. It will have been shown for half an hour when you arrive at 8:30.
When you come back, I will have been here for half an hour. I shall have graduated from university by this time next year.
I guess you will have finished your homework when I come to see you.表示说话人对某一已经完成动作的推测。
e.g. The students will have finished
reading the article now.
I think he will have got home so far. ----will have done
1. By Christmas they ____________ (sell) over
five million greetings cards.
2. By this summer the city council ___________ (spend) $2 million on redecorating the old town.
3. By 2030 the climate in Europe
______________ (become) much warmer.
4. By the end of this decade our town
________________ (invest) one million
dollars in the industry. will have sold will have spent will have become will have investedFuture Continuous 进行时态的用法: 某一时间点正在发生的动作; 或者某一段时间内一直发生的动作。
将来进行时态只不过把时间放在了将来, 所以将来进行时态表示将来某个时间点正在发生的动作或者将来某一段时间内一直在进行的动作。
常用时间状语soon, tomorrow, this evening, on Sunday, by this time tomorrow, in two days, tomorrow evening。e.g. I will be taking a shower at 9
o’clock tomorrow morning.
Catharine will be taking a part-
time job in the next summer
vocation.Complete these predictions about the world in 2020 by putting the verbs in brackets either in the Future Perfect or the Future Continuous.will be using1. People (use) ____________ solar energy every day.2. People (use) ____________ up all natural sources of oil.
3. People (travel) ______________ into space on a regular basis.
4. People (eat) ____________ only food created by specialists.
5. Traditional farms (disappear) ___________________.will have usedwill be traveling will be eating will have disappeared6. Many new galaxies (discover) ______________________.
7. Mars and Venus (explore) __________ ____________ and (describe) ________ in detail.
8. Scientists (study) _____________ the chance of people setting in other galaxies.will be studyingwill have been discoveredLook at the programme of the
futurologists’ conference and the
cues below (1-7) on page 21. Write full sentences using the Future Perfect or the Future Continuous. 1. 5 p.m. on Friday- Prof Howard Green gives a lecture on alternative sources of energy.
At 5 p.m. on Friday, Prof. Howard Green will be giving a lecture on alternative sources of energy.2. Saturday Lunchtime- the participants listen to two lectures.
By Saturday lunchtime, the participants will have listened to two lectures.
3. 2:30 p.m. on Saturday – everyone has lunch.
At 2:30 p.m. on Saturday, everyone will be having lunch.4. Saturday night- the participants have a reception.
On Saturday night, the participants will be having a reception.
5. Sunday morning- they discuss a few problems of the future.
On Sunday morning, they will be discussing a few problems of the future.6. Sunday noon- the participants attend the closing ceremony.
At noon on Sunday, the participants will be attending the closing ceremony. 7. The end of the seminar– the futurologists discuss many important issues.
By the end of the seminar, the futurologists will have discussed many important issues.More practice:
1. I __________ for you until you _____
your work.
A. will wait, will finish
B. have waited, will have finished
C. will be waiting, have finished
D. have waited, have finished 2. By the year of 2052, they ________
the secret of AIDS.
A. have discovered
B. will have discovered
C. will be discovering
D. will discover3. —Tom, you didn’t come to the party last
night? —I ____, but I suddenly remembered I
had homework to do.
A. had to B. didn’t
C. was going to D. wouldn’t
4. Daniel’s family _____ their holiday in
Huangshan this time next week.
A. are enjoying B. are to enjoy
C. will enjoy D. will be enjoying5. — Did you tell Julia about the result?
— Oh, I forgot. I ____ her now.
A. will be calling B. will call
C. call D. am to call6. Ladies and gentleman, please fasten your
seat belts. The plane _______.
A. takes off B. is taking off
C. has taken off D. took off
7. By the time Jane gets home, her aunt
____ for London to attend a meeting.
A. will leave B. leaves
C. will have left D. left8. He will have learned English for eight
years by the time he _____ from the
university next year.
A. will graduate B. will have graduated
C. graduates D. is to graduateWriting:
Suppose you are a volunteer of an international competence in your country, write a passage to introduce your preparation for it and your work at that time, using the future tense which we have learned today.HomeworkThank you!