外研版八上M7知識(shí)點(diǎn)總結(jié).doc

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M7 A famous story 知識(shí)點(diǎn)總結(jié) ●1　 fall v. 下落；跌落 Alice followed it and fell down a hole in the ground. Between July and August, oil prices fell 0.2 percent. fall是不及物動(dòng)詞，其過(guò)去式和過(guò)去分詞分別為fell和fallen。fall還可表示氣溫、價(jià)格等的下降。 [拓展] (1)fall用作系動(dòng)詞時(shí)，后接形容詞作表語(yǔ)，表示“進(jìn)入(某種狀態(tài))”。 (2)常用短語(yǔ)有fall off, fall down, fall asleep等。 (3)在美式英語(yǔ)中，fall也可用作名詞，意為“秋天”。 ●2　 follow v. 跟隨；緊跟 Please follow me to read the story. [探究] follow為及物動(dòng)詞，常用搭配為“follow sb. to do sth.”意為“跟隨某人做某事”。 [拓展] (1)follow作動(dòng)詞，還有其他意思： ①領(lǐng)會(huì)；聽(tīng)懂。I didnt follow you. Please explain it again. ②沿著……走。Follow this road until you get to the bridge. ③聽(tīng)從；遵循。I decide to follow her advice. (2)following為形容詞，意為“接著的；下述的”。 Please finish the following exercises by yourselves. ●　　To see if you remember the story! 句中if是連詞，意為“是否”，常引導(dǎo)賓語(yǔ)從句，放在see, ask, remember, know, wonder等動(dòng)詞的后面，通常可與whether互換。 I wonder if/whether it will be clear tomorrow. if 作連詞，意為“如果”時(shí)，常引導(dǎo)條件狀語(yǔ)從句。在含有if引導(dǎo)的條件狀語(yǔ)從句的主從復(fù)合句中，主句若是一般將來(lái)時(shí)，if從句用一般現(xiàn)在時(shí)表示將來(lái)。 If he comes, Ill tell him the news. ●1　twice adv. 兩次；兩倍 Once or twice she looked into her sisters book. 。 Please take the medicine twice a day. [拓展] (1)once表示“一次”， 三次或三次以上一般用“基數(shù)詞＋times(次)”來(lái)表示。如：five times 五次，ten times 十次。“每月一次”表示為“once a month”，中間不用介詞in?！耙惶烊巍北硎緸椤皌hree times a day”。 They go shopping once a week. (2)對(duì)含有twice, once, sometimes, seldom, usually, never等的頻度副詞提問(wèn)時(shí)用how often。 —How often do you play computer games? —Twice a week. [搭配] ●1　Alice had nothing to do. have nothing to do 意為“無(wú)事可做”。 [拓展] have nothing to do with… 意為“與……無(wú)關(guān)；與……毫不相干”。 He had nothing to do with this accident. ●3　Alice got up and ran across the field after it. run across 意為“跑過(guò)”，介詞across意為“穿過(guò)”，表示動(dòng)作是在某個(gè)物體的表面進(jìn)行的，常和表示“走”之類的動(dòng)詞(如walk, run, fly, jump等)連用。 [拓展] (1)across的動(dòng)詞形式是cross，相當(dāng)于go/walk across。 You must be careful when you cross the street. ＝Y(jié)ou must be careful when you go/walk across the street. (2)through是介詞，也指“穿過(guò)”，但它表示的動(dòng)作是在某一物體的立體空間內(nèi)進(jìn)行的。 The ball went through the window into the room. ●4　It was too dark for her to see anything. “sb./sth.＋too＋adj./adv.＋to＋ v．”表示“某人/某物太……而不能……”。此結(jié)構(gòu) 用肯定形式表示否定意義，后面不定式的邏輯主語(yǔ)可用for引出。 Wei Ming said English was too difficult(for him) to learn well.