1、reviewPrimary Longman Elect3B Chapter 4Simple past tense(1)Simple past tense:regular verbsWhat did you do yesterday?I painted a picture.Last SatLast SunMon/YesterdayTue/Today3 p.m.Simple past tense:regular verbsWhat did you do last night?I studied for the English test.Last SatLast SunMon/YesterdayTu
2、e/Today9 p.m.Simple past tense:regular verbsWhat did you do at the weekend?I chatted with my friends.Last SatLast SunMon/YesterdayTue/Today We use the simple past tense to talk about actions in the past.e.g.I painted a picture yesterday.I studied for the English test last night.I chatted with my fri
3、ends at the weekend.Simple past tense:regular verbs We usually add ed to the action words.e.g.listenlookpaintplaylistenedlookedpaintedplayedSimple past tense:regular verbs We double the last letter when the action words are one syllable and end in 1 vowel+1 consonant.e.g.chatclapskipchattedclappedsk
4、ipped We change the letter y into ied when the action words end in 1 consonant+y.e.g.drytidystudydriedtidiedstudied一般过去时的谓语动词要用动词的过去式.动词过去式的构成分规则变化和不规则变化两种形式,不规则变化通常需要逐个记忆,规则变化则遵循以下原则：(1)一般在动词后加-ed.如：playplayed,destroy destroyed(2)在以字母e结尾的动词后,只加-d.如：likeliked,provideprovided(3)在以“辅音字母+y”结尾的动词后,则改y为i
5、,再加ed.如：supplysupplied,flyflied,study studied.(4)在以单短元音的重读闭音节结尾且末尾只有一个辅音字母的动词后,双写最后一个辅音字母,再加-ed.如：planplanned,referreferred,banbanned.Key structureyesterday?What did you doat the weekend?last night?I played games with my parents.Dont change the action words in did questions.This means last weekend.T
6、his means yesterday night.Use the simple past tense when you see these words.PracticePracticeChoose the correct past tense ending.paintpaintedpainttedpaintied paintedPracticePracticeChoose the correct past tense ending.studystudyedstuddedstudied studiedPracticePracticeChoose the correct past tense e
7、nding.tidytidyedtidiedtidded tidiedPracticePracticePut the words in the correct order to make a question.dodid Whatheyesterday?What did he do yesterday?PracticePracticePut the words in the correct order to make a question.What did she do at the weekend?dothe weekend?WhatshedidatPracticePracticeGive
8、the correct answer.What did you do at the weekend?I painted a picture.PracticePracticeGive the correct answer.What did you do yesterday?I chatted with my friend.PracticePracticeGive the correct answer.What did you do yesterday?I tidied my room.A:What did you do yesterday/last night/at the weekend?B:IThe End
