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, looking behind as he went. As I left the house, I forgot the key.主從句時(shí)態(tài) Will you please bring me your book when you e here tomorrow? I will go home when I have finished my work .When / while 連詞引導(dǎo)并列句Was/ were about to do …Was /were going to do ….Was/were on one’s way…Was .were on the point of doing…. When ….Was/were doing…. (“這時(shí)” 表同時(shí))Had done … Jasmine was holidaying with her family in a wildlife park when she was bitten on the leg by a lion.…….while …….(“然而” 表反比)I do every single bit of housework while my husband Bob just does the dishes now and then.before 引導(dǎo)時(shí)間狀語(yǔ)從句1)“還沒(méi)等”(謂語(yǔ)不用否定式)Before they got to the bus stop, the bus had gone.2) “….. (之后)才/就” It was evening before we reached the little town of Winchester.3)固定句型:It will (not) be some time before ……do …… It was (not) some time before ….did ….. It won’t be long before ……do…… It wasn’t long before ……did…..4 . until /till ( till 不用于句首或強(qiáng)調(diào)句) 引導(dǎo)時(shí)間狀語(yǔ)從句 1)…..not ….until/till…直到……才He didn’t go to bed until he had