時(shí)間狀語(yǔ)從句-免費(fèi)閱讀
【正文】 until B. didn’t go。 1.Since when ________the country _____ open to international trade? 1978, I suppose. 2023陜西卷 2._______ 5 years _________ he graduated from college. _______ 2 years _____ he smoked. has been It is since It is since關(guān)連詞組 hardly/scarcely… when no sooner… than as soon as 三種句子結(jié)構(gòu)表示 “ 一 …… 就 …… ”。 eg. Let39。 eg. She thought I was talking about her daughter, while in fact, I was talking about my daughter. 她以為我在談?wù)撍畠?， 而事實(shí)上 ， 我在談?wù)撐业呐畠?。 在下列情況下 ， 三者彼此之間不能替換使用： a． as更強(qiáng)調(diào)同一時(shí)間或緊接的一前一后或伴隨著的變化 。 before 從句往往帶有否定的含義 。 ? He has written to me frequently since he was ill. ? 句型 ? It is /has been + 一段時(shí)間 + since ， 如果從句是延續(xù)性動(dòng)詞 ， ,用一般過(guò)去時(shí)和現(xiàn)在完成時(shí)不同 。 I’ ll wait until/till the concert is over. (till不能放在句首 ， 但是 until了的位置不受限制 ) ? not… until “直到 …… 才 ” ? he didn’t leave the office until he finished the task. 注意：倒裝句 、 強(qiáng)調(diào)句 ， 及位于句首時(shí) ， 只能用 until。 until Practice 1.Mother waited for Tom till/ until far into the night. ( 持續(xù)性動(dòng)詞 ) 2.Tom didn’t get back till / until everything was all right.(短暫性動(dòng)詞 ) ★ =_____________ everything was all right __________________. Not until did Tom get back by the time 引導(dǎo)的從句 在一般情況下 從句 :一般過(guò)去時(shí) 主句 :過(guò)去完成時(shí) ； 從句 :一般現(xiàn)在時(shí) 主句 :一般將來(lái)時(shí)或 將來(lái)完成時(shí) By the time we got to the station, the bus _______ left. By the time you receive this letter, I ________ left this city for my hometown. had will have 1. I was w
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