2020年牛津译林版8A英语初二上册Unit8-Grammarppt课件

Unit8NaturaldisastersGrammar What are they doing now?What are they doing now?What are they doing now?What are they doing now?He play basketball.is ingHe is playing basketball.否定句：否定句：一般疑问句：一般疑问句：He isnt playing basketball.Is he playing basketball?He try on the shoes.is ingHe is trying on the shoes.否定句：否定句：一般疑问句：一般疑问句：He isnt trying on the shoes.Is he trying on the shoes?Theyplaycomputergames.are ingThey are playing computer games.否定句：否定句：一般疑问句：一般疑问句：They arent playing computer games.Are they playing computer games?They play with a yo-yo.are ingThey are playing with a yo-yo.否定句：否定句：一般疑问句：一般疑问句：They arent playing with a yo-yo.Are they playing with a yo-yo?对划线部分提问：对划线部分提问：What are they playing with?She water the flowers.is ing She is watering the flowers.否定句：否定句：一般疑问句：一般疑问句：She isnt watering the flowers.Is she watering the flowers?对划线部分提问：对划线部分提问：Who is watering the flowers?Theyweredoingmorningexercises at9:05yesterdaymorning.They were doing morning exercises at 9:05 yesterday morning.否定句：否定句：They werent doing morning exercises at 9:05 yesterday morning.一般疑问句：一般疑问句：Were they doing morning exercises at 9:05 yesterday morning?Yes,they were.No,they werent.The baby was drinking milkat this time yesterday.The baby was drinking milk at this time yesterday.否定句：否定句：一般疑问句：一般疑问句：The baby wasnt drinking milk at this time yesterday.Was the baby drinking milk at this time yesterday?对划线部分提问：对划线部分提问：What was the baby drinking at this time yesterday?Theywereplayingbasketball atthistimelastSunday.Were they playing basketball at this time this Sunday?否定句：否定句：一般疑问句：一般疑问句：对划线部分提问：对划线部分提问：They werent playing basketball at this time this Sunday.They were playing basketball at this time this Sunday.When were they playing basketball?at that time.She was playing computer games否定句：否定句：一般疑问句：一般疑问句：对划线部分提问：对划线部分提问：She was playing computer games at that time.She wasnt playing computer games at that time.Was she playing computer games at that time?What was she playing at that time?from 10 to 10:30 yesterday morning.She was reading a newspaper否定句：否定句：一般疑问句：一般疑问句：对划线部分提问：对划线部分提问：She was reading a newspaper from 10 to 10:30 yesterday morning.She wasnt reading a newspaper from 10 to 10:30 yesterday morning.Was she reading a newspaper from 10 to 10:30 yesterday morning?When was she reading a newspaper?Presentcontinuoustenseam/is/are+doingwas/were+doing现在进行时现在进行时过去进行时过去进行时Pastcontinuoustense过去进行时的句式过去进行时的句式（1）基本结构：）基本结构：was/were+v-ing（2）否定式：）否定式：was/werenot+v-ingwasnot=wasntwerenot=werent（3）一般疑问句：）一般疑问句：was/were+主语主语+V-ing（4）特殊疑问句：）特殊疑问句：wh-+was/were+主语主语+V-ing过去进行时的基本用法过去进行时的基本用法表示过去某一时刻正在进行的动作以及表示过去某一时刻正在进行的动作以及过去某一段时间内持续进行的动作过去某一段时间内持续进行的动作,常与常与表示过去的具体时间，如：表示过去的具体时间，如：atthattime，atthistimeyesterday，at9lastnight,atthatmoment等连用。等连用。或者在或者在when,while,as引导的时间状语从引导的时间状语从句中使用。句中使用。大多数大多数动词直接加动词直接加ing以不发音的以不发音的e e结尾的动词，去结尾的动词，去e e加加inging重读闭音节要双写结尾的辅音字母重读闭音节要双写结尾的辅音字母加加ing动词的现在分词动词的现在分词 Change the verbs into V-ing answer come borrow run begin change buy celebrate chat cut keep drink carry think writepractise win shop exercise dance swimlieseeingingingingingingingingingingingingingingningningningtingtingmingpingyingingA snowstorm hit Sunshine Town.Mr.Wu is asking the students about it.Complete their conversation with the correct forms of the verbs in brackets.breakbreakdownbecauseofvi.损坏；打破损坏；打破出故障；坏掉出故障；坏掉由于；因为由于；因为WordsandexpressionsMr.Wu:Whataterriblesnowstorm!Itstartedataboutseventhismorning.I_(read)thenewspaperthen.What_you_(do),Simon?Simon:I_(have)breakfast.Mr.Wu:Whataboutyou,Millie?wasreadingweredoingwashavingMillie:I_(walk)tothebusstop.Sandy,Isawyouandyourparentsstandingonthesideoftheroad._you_(wait)forataxi?Sandy:Yes.Mydadscarbrokedownbecauseofthecoldweather.He_(ring)someonetocomeandhelpwhenyousawus.waswalkingWerewaitingwasringing过去进行时的基本用法过去进行时的基本用法表示过去某一时刻正在进行的动作以及表示过去某一时刻正在进行的动作以及过去某一段时间内持续进行的动作过去某一段时间内持续进行的动作,常与常与表示过去的具体时间，如：表示过去的具体时间，如：atthattime，atthistimeyesterday，at9lastnight,atthatmoment等连用。等连用。或者在或者在when,while,as引导的时间状语从引导的时间状语从句中使用。句中使用。1.Iwassleepingwhenitstartedtorain.2.Iwassleepingwhentheearthquakestarted.Lookatthefollowingsentencescarefully.Payattentiontothecoloredparts.3.Outside,peoplewererunninginalldirectionswhilepiecesofglassandbrickswerefallingdown.4.Ifeltnervousandmyheartwasbeatingfast.5.Hourslater,asIwastryingtofindwayout,Isuddenlyheardsomenoiseaboveme.The tortoise was running while the hare was sleeping.long actionlong actionLongeractionsLongeractionsShorteractionsShorteractionscome/gowritebuildarrive/get to/reachdiehear/seesleepwatchdohitmakewalkmeetfall overdancelisten/readwaitmopchatplanfall asleepstopleaveThe baby was sleeping the mother was cooking.at 6 in the morningwhileWhile the baby was sleeping,the mother was cooking.The boys were playing football the girls were chatting.at 4 last Friday afternoonwhileWhile the boys were playing football,the girls were chatting.The girl was reading a book the boy was playing computer games.at 7 yesterday eveningwhile the telephone rang,they were watching TV.When/While/As they