天堂v亚洲国产ⅴ第一次,欧美一级在线不卡视频,中文字幕图片欧美亚洲,国产不卡AV无遮挡在线观

句型1.
it (so) happened（chanced） that +clause. = sb. happened /chanced to do sth. =sb.did sth.by chance. 如：
it happened that he was out when i got there. 當(dāng)我到那兒時(shí)，碰巧他不在。＝he happened to be out when i got there.= it chanced that he was out when i got there= he was out by chance when i got there.
 
句型2.
it seems that sb. do/ be doing/ have done/ had done= sb. seems to do/ be doing/ have done/to be done/to have been done（還有動(dòng)詞appear等可這樣使用）如:
it seemed that he had been to beijing before.他好象以前去過(guò)北京。＝he seemed to have been to beijing before.
 
句型3.
it is / was＋被強(qiáng)調(diào)的部分＋that(who)+剩余的部分.如：
it wasn't until he came back that i went to bed.直到他回來(lái)我才睡覺(jué)。(一定要注意被強(qiáng)調(diào)句型中的謂語(yǔ)動(dòng)詞否定的轉(zhuǎn)移)。 it was because he was ill that he didn't come to school today.只因?yàn)樗�有病了今天沒(méi)有來(lái)上學(xué)。（只能用because而不能用for, as 或since）
it is i who am a student. 我確實(shí)是個(gè)學(xué)生。（句中am不能用are來(lái)代替。）
 
句型4.
it is high time (time/ about time)+ (that) 主語(yǔ)＋should do / did+其它。（從句中的謂語(yǔ)動(dòng)詞用的是虛擬語(yǔ)氣。）如:
 
it is high time that we should go / went home.我們?cè)摶丶伊恕?br>