before
before
1. It will be+-段时间+ before从句does) 要过好久∴能做 It will not be+一段时间+ before从句does) 过不了多久…就能做 ■■■■ It was+一段时间+ before从句did) 过了好久…做了, ■■口■■■ It was not一段时间+ before从句(dd 没过.就做了 还要注意其变体!
1.It will be +一段时间+before从句(does) 要过好久 ……才能做…… It will not be +一段时间+before从句(does) 过不了多久…… 就能做…… It was +一段时间+before从句(did) 过了好久……才做了…… It was not+一段时间+before从句(did) 没过……就做了…… 还要注意其变体！
2 before i could do,(还没来得及就 Before i could get in a word, the tailor had measured me 3 before sb does,…(趁还没做 Please write it down before you forget it 4 hadn't done. before sb did还没就 We hadnt run a mile before we felt tired ·我们还没跑到一里路就觉得累了。 5 had done…. before sb did.做了…才 We had sailed four days before we saw land.(我们航行了四天才看见陆地) 26. before sb knew/realised it 不知不觉地
2.before I could do,…(还没来得及…就…) • Before I could get in a word, the tailor had measured me. 3.before sb does,…(趁还没做……,……) • Please write it down before you forget it 4.hadn’t done …before sb did 还没…..就…… • We hadn’t run a mile before we felt tired. • 我们还没跑到一里路就觉得累了。 5.had done …before sb did…做了……才…… • We had sailed four days before we saw • land.（我们航行了四天才看见陆地） • 6.before sb knew/realised it. • 不知不觉地
●●●●●● 就 ●●●●●●
一 ......就
·1 as soon as 主从句的谓语动词有两种情况:主从句 都用一般过去时、主句用一般将来时, 从句用一般现在时 I)As soon as he arrived there, he wrote to me 2)As soon as he arrives there, he will write to me
• 1.as soon as • 主从句的谓语动词有两种情况：主从句 都用一般过去时、主句用一般将来时， 从句用一般现在时 • 1)As soon as he arrived there, he wrote to me. • 2)As soon as he arrives there ,he will write to me