七年级英语上：Unit 4 Hobbies Language课件上海牛津版.ppt

unit4hobbieslanguage when doyouusuallycometoschool whatisthemeaningof when inthesentenceabove doyouknowwhatelsemeaningof when readthesetwosentences 1 wheniwasabouteight igotabookaboutstars 2 whenwearrived theskywentdark conclusion when hastwomeanings 1 什么时候 2 当 时 wheniwasabouteight igotabookaboutstars whenyouknowthese starttolookathestarsinsideeachgroup whenwewanttobeinthepicture weneedtoasksomeonetotakethephotographforus adverbialclausesoftime wecanusetheconjuction when toformanadverbialclauseoftime itlinkstwoclausesinonesentenceandsuggeststwoactionshappeningatthesametime matchthephraseswithwhen 2 fhesitsonthefloorwhenhewatchestv whenhewatchestv hesitsonthefloor 3 bhestaysinbedwhenheisill whenheisill hestaysinbed 4 ciphonemyfriendswhenihavedifficulthomework whenihavedifficulthomework iphonemyfriends 5 dshecarriesabascketwhenshegoestotheshops whenshegoestotheshops shecarriesabasket 6 ahetravelsbybuswhenhegoestoschool whenhegoestoschool hetravelsbybus using usedto didnotuseto iusedtogooutsideeveynighttolookatthestars wheniwasyoung ididnotusetohaveanymoney wheredidgrandfatherusetolive weuse usedto tosaysomethinghappeningregularlyorfrequentlyinthepast butnotanylongeratthepresenttime itsnegativeformis didnotuseto rememberwealwaysuseitinthepasttense usedtodosth 意思是 过去常常做某事 表示过去经常做或一直做而现在不做 它只用于过去时态 一 肯定句式 主语 usedto 动词原形 例如 iusedtogotothecinema butineverhavetimenow 我过去经常去看电影 但现在没有时间了 heusedtolistentopopmusicbutnowhelikesrockmusic 他过去总听流行音乐 但现在喜欢摇滚了 二 否定句式 a 主语 didnotuseto 动词原形 b 主语 usednotto 动词原形 第一种否定句型 就是把used当做实义动词来看 所以变否定句要用助动词did 第二种否定句是把used当做情态动词 变否定句直接在used后面加not即可 usednot可以缩写成usedn t或usen t 美式英语通常用a种形式 英式英语常用b种形式 例如 youdidn tusetodrink 你过去不喝酒 theshopusedn ttoopenonsundays 过去这家商店星期天不营业 三 一般疑问句式 a did 主语 useto 动词原形 b used 主语 to 动词原形 美式英语通常用a种形式 英式英语用b种形式 例如 didyouusetogoswimmingintheriverwhenyouwereyoung 你小时候经常在河里游泳吗 usedhegotoschoolbybike 他过去骑车上学吗 四 usedto用于省略句时 肯定式保留to 否定式不保留to 例如 usedyouplaybasketball 你过去常打篮球吗 yes iusedto no iusedn t 是的 经常打 不 不常打 idon twritetohimnow butiusedto 我现在不给他写信了 但过去经常写 finishtheexerciseonbookbpage50 a1 nolonger notanylonger notanymore nolonger一般置于行为动词前或be动词后 而anylonger和anymore常位于句末 eg mr linolongerlivedinshanghai mr lididn tliveinshanghaianylonger sheisnolongerabadgirl sheisn tabadgirlanymore anylonger answers 2 limingusedtoplaywithtoyswhenhewatchedtv buthedoesnotanylonger nowheeatssnackswhenhewatchestv 3 limingusedtogotobedat7 30 buthedoesnotanylonger nowhegoestobedat10 00 4 limingusedtobescaredofwater butheisnotanylonger nowhelikesswimming 5 limingusedtolikeplayingwithhistoys buthedoesnotanylonger nowhelikesplayingonhiscomputer 6 limingusedtobeshyabouttalkingtopeople butheisnotanylonger nowheenjoystalkingtopeople 就红色部分提问并做肯定与否定的回答 1 theyusedtogotobedat7 30 2 mikeusedtolikeplayingwithhistoys 3 mr liusedtobeshy