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2017ꌣӢZ}
PڌӢZͬW}rڌƶǶĠBH{Z~RPϵݲȦ҂ֵđBձע⌦ּע⌦ľۙעǰՑZZxcZ~RĴ䣬ͨPMп]fyСȽoҿYһнcͣҌWWÁ俼ӢZ
һIt ʽZ
1It is + ~/~/^ȥ~ + that ľ () = that ľ () is +~/~/^ȥ~
It is well known that + (֪)
It is obvious that + (@)
It is apparent that + (@Ȼ)
䣺It is well known that diamonds are the hardest substance.
䣺It is universally acknowledged that trees are indispensable to us
ȫ綼֪ľ҂Dzɻȱ.
䣺It is common knowledge that honesty is the best policy.
2. It is + ~/^ȥ~/~ (for sb.)+ to do …
䣺 It is hard (for me)to finish the work in three days.
It is an honor to meet you.
3.It was said/reported/ thought/believed + thatľ() f//J…
Sb. was said/reported/ thought to do …
䣺It was said that he had been killed in the accident.
˾ӿD飺He was said to have been killed in the accident.
4. It took/ will take sb. + time to do … ij˻Mrg…
䣺It took me 10 days to finish my paper.
It ʾrgijþ
1.It is/has been+һΕrg+since... "ԏ...ж"
sinceďľһ^ȥr
It has been two weeks since he left
ѽx_˃ɂ
2.It was+һΕrg+before... "...֮ǰ^˶Lrg"
before ďľ^ȥɕr
It was three years before he had finished his research
о֮ǰѽ^ȥ
3.It will be+һΕrg+before... "^˶ò..."
beforeďľһFڕr
It will be two days before she arrives at Britain
ŕ_Ӣ
ӢZ}͡P£
2016ӢZ~R02-24
ӢZճc07-06
2016ɿӢZՌԇ}09-17
˿ӢZ}ļ08-15
2016ɿӢZվ01-22
2016ɿӢZر02-23
2016пӢZԒ}ľ02-22
2017߿ӢZ}~R01-21
2016пӢZյĽ}02-25
ӢZ~R09-26