英語(yǔ)四級(jí)語(yǔ)法知識(shí)教程匯總和更新

1. should無(wú)詞義，只是shall的過(guò)去形式，與動(dòng)詞原形構(gòu)成過(guò)去將來(lái)時(shí)，只用于第一人稱(chēng)，例如：I telephoned him yesterday to ask wha... [查看全文]

unless和if not均可表示如果不，有時(shí)用法相同，有時(shí)不同，請(qǐng)看題：You'll miss the train ____ you hurry up.A. unless B. ... [查看全文]

stop to do　停止，中斷做某事后去做另一件事。stop doing　停止做某事。They stop to smoke a cigarette.　 他們停下來(lái)，抽了根... [查看全文]

forget to do　忘記要去做某事?！?未做)forget doing　忘記做過(guò)某事?！　?已做)The light in the office is still on. He fo... [查看全文]

remember to do 記得去做某事　　　　 (未做)remember doing　記得做過(guò)某事　　　 (已做)Remember to go to the post office ... [查看全文]

regret to do　 對(duì)要做的事遺憾?！　　　　?未做)regret doing　 對(duì)做過(guò)的事遺憾、后悔?！　?已做)I regret to have to do th... [查看全文]

almost與nearly的語(yǔ)法區(qū)別(1)兩者都可用來(lái)修飾不定代詞、形容詞、副詞、動(dòng)詞、介詞短語(yǔ)等，此時(shí)兩者?？蓳Q用：It's almost [nearly]... [查看全文]

go on to do　做了一件事后，接著做另一件事。go on doing　 繼續(xù)做原來(lái)做的事。After he had finished his maths, he went ... [查看全文]

try to do　　努力，企圖做某事。try doing　 試驗(yàn)，試著做某事。You must try to be more careful.你可要多加小心。I tried g... [查看全文]

cease to do　 長(zhǎng)時(shí)間，甚至永遠(yuǎn)停做某事。cease doing　 短時(shí)停止做某事，以后還會(huì)接著做。That department has ceased to exis... [查看全文]