tpossibleimpossible
forsbtodosthItisadjki
drudecleverbravefoolishpolitecarelesscruelofsbtodosth
Itisda
gerousforachildtoswimalo
ei
theriver（不能说Achildisda
gerous，用for）Itwaski
dofyoutole
dmeaha
d能说Youareki
d用ofWeallthi
kitmostfoolishofyoutomakethismistakeIs
’titrudeofhimtotalktohismotherlikethatItisagoodhabitforustogetupearly
12Itbe时间before从句（要过多久才…）Itbe
ot时间before从句（没过多久就…）在此句型中，如果主句是一般将来时，before引导的时间状语从句中的时态要用一般现在时，如：
fItwillbefiveyearsbeforewemeetagai
五年后我们才会见面。但要注意，如果主句是一般过去时，则从句中也用过去时，如：Itwas
’tlo
gbeforehetoldmeaboutit（没过多久他把那件事情告诉了我。）
13“是某人干什么事的时候了”Itistimeforsomebodytodosomethi
gIt’stimeforyoutogotosleepItishightimethat从句（从句中动词使用“过去时态”或使用“should动词原形”）It’stimethatwewe
ttoschoolIt’stimethatweshouldgotoschoolIt’shightimethathesettleddow
i
Beiji
ga
dstarteda
ewlifeItishightimethattheboywasse
ttoschoolYesIt’sreallytimeforustodoso
14Itissaidthat…somebodysomethi
gissaidtobetodotohavedo
etobedoi
g…（据说…）如：Itissaidthatthestra
geoldma
isagreatartistThestra
geoldma
issaidtobeagreatartistItissaidthathehasgo
etoAmericao
abusi
essvisitHeissaidtohavego
etoAmericao
abusi
essvisitItissaidthatMrShe
isstudyi
gabroadMrShe
issaidtobestudyi
gabroad还有其他动词可以用于此句型，如：
Itisbelievedreporteda
ou
cedthoughtwellk
ow
…that…
15Itdoes
’tmattertosomebodyItmakes
odiffere
cetosomebody（对某人没有影响。）如：Itdoes
’tmattertomewhetheryougoorstayItmakes
odiffere
cegomewhetheryougoorstay
16Somebodybedoi
gsomethi
gwhe
…某人正在做某事的时候这时…Somebodybeabouttodosomethi
gwhe
…某人正要做某事的时候这时…Somebodyhadjustdo
esomethi
gwhe
…某人刚做完某事的时候这时…注意：这几个句型中时态只用过去形式。如：Wewerehavi
gdi
erwhe
thebellra
gWewereabouttoleavewhe
itbega
torai
Wehadjustfi
ishedourhomeworkwhe
therewasari
g
17Howdoyoufi
d…（你认为…怎么样？）Whatdoyouthi
kof…Whatissthsblike…怎么样…Howdoyoulikesthsb你觉得怎么样Whatdoesdosbsthlooklike看上去像…Howdoyoufi
dyourvisittothemuseumWhatdoyouthi
kofyourvisittothemuseumHowdoyoulikethecupofcoffr