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was/were+現(xiàn)在分詞”構(gòu)成。. I am outgoing while my sister is quiet and shy. 總之,when表示做某種動(dòng)作的時(shí)間或瞬間,由其引導(dǎo)的時(shí)間狀語(yǔ)的時(shí)態(tài)如果是一般過去時(shí),其主句通常要用過去進(jìn)行時(shí)。而when通常與瞬間性動(dòng)詞或延續(xù)性不強(qiáng)的動(dòng)詞連用。) while可以引導(dǎo)過去正在進(jìn)行時(shí),如:page19 2b改寫句子1 The boy was walking down the street when suddenly a UFO landed. When 引導(dǎo)的動(dòng)作突然插入到前面正在進(jìn)行的動(dòng)作之中,3 While the alien was buying a souvenir, the girl called the police. 外星人正在買紀(jì)念品,乘此時(shí)間,另一個(gè)動(dòng)作發(fā)生了。 典型考題區(qū)別:He can speak several languages.He is able to swim across the river, though it is flooded.Could you tell me where Center Street _______(is was)?Sorry, I ________(couldn’t can’t).I would like you to e to my house.(Should Would) you mind my invitation? 邀請(qǐng)的,委婉的說法常用的還有Why not ______( e to e) to my house?Should 常用于提出建議You _________(should would) say you’re sorry.Maybe you ______(could should) give him a ticket to a ball game. could 用于勸說更委婉(潛在的意思是“這不就和解了。There will be more birds singing in the trees in ten years.改寫為疑問句______ ______ be more birds singing in the trees in ten years?作肯定回答 Yes,______ _______.否定回答 No,_____ ______.There will be less pollution in the river after fewer factories.改為疑問句_____ ______ be less pollution in the river after fewer factories?There will be more free time.改為否定句 There ______ be more free time要點(diǎn)歸納2 情態(tài)動(dòng)詞 can, may, might, could, would and should等。八年級(jí)下期中考試要點(diǎn)串講 要點(diǎn)歸納1某人擁有/某地存在(有)某物:People will have robots in the near future.People是主語(yǔ),位于動(dòng)詞之前There will be robots working in factories.Robots是主語(yǔ),位于動(dòng)詞之后若寫成Robots will be working in “將會(huì)有”的意思。翻譯下列句子:There will be more birds singing in the trees in ten years.There will be less pollution in the river after fewer factories.There will be more free time.區(qū)別下列句子:A I will be an engineer in ten years. Be here means beeBThere will be an engineer in my family in ten years. Be here means existCThese(robots)will be in every home. Be here means “e true”某地存在(有)某物句型的疑問、否定、肯定回答和否定回答。Might ,could ,would, should 四個(gè)情態(tài)動(dòng)詞既是may, can, will, shall的過去時(shí),又不表示過去時(shí),而是情態(tài)動(dòng)詞,要同實(shí)意動(dòng)詞連用,常用的還有must ,needn’t, can’t. might 表示 小于50%的可能性,could 表示一種客氣的請(qǐng)求, would 表示有禮貌的邀請(qǐng),should 表示應(yīng)當(dāng)/該?!保╮efer to page11 課文句子改寫)You ______(should would)be ashamed of yourself. 語(yǔ)氣堅(jiān)決,應(yīng)該You ________(wouldn’t shouldn’t) tell ,不應(yīng)當(dāng)It ___(should might) be only means not sure要點(diǎn)歸納3當(dāng)心句末的時(shí)間詞/標(biāo)志詞前面有Look, . Listen,. 我們知道后面的句子要用“現(xiàn)在正在進(jìn)行時(shí)”Look, mom is driving her new car.Listen, something strange is happening outside.當(dāng)心后面的時(shí)間詞 at that time, at 8 o’clock yesterday when引導(dǎo)過去時(shí)間的動(dòng)作,(有時(shí)也可以引導(dǎo)過去進(jìn)行時(shí)。P20 4A: What were you doing at nine o’clock last Sunday morning?B: I was sleeping at that time.4. The girl was shopping when the alien got out. While the girl was shopping, the alien got out. when 與while區(qū)分:(1)當(dāng)...的時(shí)候,如后面連接的動(dòng)詞為進(jìn)行時(shí)態(tài),則用while多于用when。(2)如果while前后的動(dòng)詞都