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延續(xù)動詞不能是點動詞,因為它表示較長時間 )考點 Mother was worried BECause little Alice was ill, especially as (when/ while) father was away. 媽媽擔(dān)心,因為小愛麗絲病了,特別是他父親不在家的時候。 They walked till /until it was dark. 他們一直走到天黑。 一、時間狀語從句 要點 : 時間狀語從句,由以下連詞引導(dǎo): when while as after before as soon as since till /until by the time 在時間狀語從句中,要注意時態(tài)一致。的同時;一邊 ?? 一 邊 ?? He smiled as he stood up. 他一邊站起來一邊笑著。 難點 —— as when while 的辨析 as when while 都表示主、從句動作同時發(fā)生,三者差異如下: 表示“一邊。 It was an hour before(= until) the police arrived. 過了一個小時,警察才來。以至 It’ s such nice weather that all of us want to go to the park. 天氣是如此的好,我們大家都想去公園玩。 It’ s no more than a mile to the shops. 去商店不過一英里。一樣 Jack is as tall as Bob. 捷克和湯姆一樣高。 結(jié)果狀語從句由連詞 ( so )that, so? that, such? that, so much/many? that 引導(dǎo)。 (表轉(zhuǎn)折,對比, when, as 都不能代替它 ) 考點 lWhile the alien was buying a souvenir, the girl called the police. 外星人買紀(jì)念品時,那女孩給警察打了電話。 ) 8 till /until 都可以作連詞,連接時間狀語,也可以作介詞,與其它詞構(gòu)成介詞短語,在句中作狀語。從句位于句首或句中時通常用逗號與主句隔開,位于句尾時可以不用逗號隔開。 在 ?? 之后 He left the classroom after he had finished his homework the other day. 前幾天做完作業(yè)之后回的家。一邊"的意思 as 強(qiáng)調(diào)兩個動作同時進(jìn)行,并表示對比時 用于發(fā)生時間較段時 when 還可以表示從句動詞的動作在主幾句動詞的動作"之前 "或"之后"發(fā)生。 二、條件狀語從句 要點: 表示狀語從句由連詞 if, unless (=if not) 引導(dǎo)。 order that=so that:為了 We shall let you know the details soon in order that you can/may make your arrangements. 不久我們將會讓你知道詳情 ,以便你們能夠做出安排。 lnot more than 不如。 原級 1. as? as 和。 (諺 五、目的,結(jié)果狀語從句 要點: 目的狀語從句由連詞 that, so that, so? that , in order that 引導(dǎo)。主句動詞一般表達(dá) “正在” “即將” . while, as 不能代替 ) 考點 She