过去将来完成进行时表示从过去某时间开始一直延续到过去未来某一时间的动作,常与由介词by等引导的表示到过去未来的某时的时间副词连用。
形式
由should/would have been + v-ing构成;
否定形式should/would+not have been + v-ing;
疑问形式是将should/would提前。
基本用法
过去将来完成进行时表示动作从过去某一时间开始一直延续到过去将来某一时间。动作是否继续下去,视上下文而定。如:
He said that by the end of the spring term he would have been studying English for three years.
他说到春季(即下)学期末,他将学了三年英语了。
He told me that by the end of the year. he would have been living there for thirty years.
他告诉我,到年底他在那里住了有30年了。
Are smartphone apps encouraging young smokers?
'Gangnam Style' boosts S.Korean tourism
Relations between Britain and its American colonies
Breathe Carolina re-releases
Remote US museum survives in Hells Canyon
DC dinosaur hunter; New family movies
Psychologist tells inspiring story of his giant uncle
Celebrities support US presidential candidates
US 'patriotic millionaires': 'tax us more'
The business of learning mandarin
Global warming might threaten water supply
Words and their stories: top brass
Eleanor Creesy helped guide one of the fastest sailing ships ever built
Obama, Romney head to key states on election eve
Did hurricane Sandy send a climate warning?
Gas shortages test patience of motorists following Sandy
Experts work to develop better tools to predict severe weather
New 007 movie reveals Bond's inner demo
Number of international students attending American colleges and universities continues rising
Could waste plastic reduce our need for oil?
Obama victory driven by economy, turnout
Words and their stories: state nicknames, part 1
Obama, House Speaker take positions on budget before negotiations
Taylor Swift's 'Red' among 2012's best sellers
Edwin Hubble changed our ideas about the universe
Words and their stories: down to earth
Amateur dinosaur tracker uncovers some rare fossils
President Obama wins second term
American Red Cross feeds hungry after hurricane
Can you 'think and grow rich?'
不限 |
英语教案 |
英语课件 |
英语试题 |
不限 |
不限 |
上册 |
下册 |
不限 |