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e had hoped that you would e, but you didn39。 2)過去時(shí)常與具體的時(shí)間狀語連用,而現(xiàn)在完成時(shí)通常與模糊的時(shí)間狀語連用,或無時(shí)間狀語。 ◎ 共同的時(shí)間狀語有: this morning, tonight, this April, now, once, before, already, recently, lately等。 請大家認(rèn)真分析比較下列各例句: I saw this film yesterday. (強(qiáng)調(diào)看的動(dòng)作發(fā)生過了。 返回 現(xiàn)在進(jìn)行時(shí) ( 指說話人說話時(shí) ) 正在發(fā)生的事情。 Mr. Green is writing another novel. (說話時(shí)并未在寫,只處于寫作的狀態(tài)。 The leaves are turning red. It39。 You are always changing your mind. 知識(shí)擴(kuò)展:不用進(jìn)行時(shí)的動(dòng)詞 1) 事實(shí)狀態(tài)的動(dòng)詞。 如: know, realize, think see, believe, suppose, imagine, agree, recognize, remember, want, need, fet, prefer, mean, understand, love, hate I need your help. He loves her very much. 3) 瞬間動(dòng)詞。 如: seem, remain, lie, see, hear, smell, feel, taste, get, bee, turn You seem a little tired. 返回 過去進(jìn)行時(shí) 過去進(jìn)行時(shí)的主要用法是描述一件事發(fā)生的背景;一個(gè)長動(dòng)作發(fā)生的時(shí)候,另一個(gè)短動(dòng)作發(fā)生。 was falling B. was reading。 was falling D. read。描述一件事發(fā)生的背景時(shí),用過去進(jìn)行;一個(gè)長動(dòng)作發(fā)生的時(shí)候,另一個(gè)短動(dòng)作發(fā)生。 句中的 fell (fall的過去時(shí) ),是系動(dòng)詞,后跟形容詞,如: fall sick。具有現(xiàn)在完成時(shí)和進(jìn)行時(shí)兩者的特征。 從句中一般用現(xiàn)在完成時(shí),如果主句動(dòng)詞是過去時(shí),則從句用過去完成時(shí) This is the first time that I have e here. 2. It is/has been + 一段時(shí)間+ since從句。 No sooner had…done…than… Hardly (No sooner) had I got home when (than) the rain poured down. + be + 一段時(shí)間+ before從句 ( 1)主句用將來時(shí),則從句用一般現(xiàn)在時(shí)表將來,“多長時(shí)間以后即將發(fā)生某事” ( 2)主句用過去時(shí),從句也用過去時(shí),“多長時(shí)間以后 發(fā)生了某事” 返回 It won’t be long before he succeeds. It was ten years before they met again.