朗文3B过去式ppt课件.ppt

Camping复习,play hide-and seek boil watercook a meal pick up rubbishwash outside plant trees,Past tense,I played football yesterday.I washed the dishes yesterday.I planted some trees yesterday.,What can you find?通过阅读，我发现：动词原形变过去式时，一般情况下直接加 _,ed,PresentTense,Past Tense,playboilcookpick,played,boiled,cooked,picked,Tom liked watching TV ten years ago.Sally danced in the classroom just now.通过阅读，我发现：动词以不发音字母“e”结尾的词变过去式时，直接加_.,d,PresentTense,Past Tense,skatelivesmiledecide,skated,decided,lived,smiled,Miss Yan carried a lot of books just now.John studied in the library last Sunday.通过阅读，我发现：动词以“辅音字母+y”结尾的词变过去式时，把y为_再加_.,ed,i,PresentTense,Past Tense,cryworryplaystay,cried,worried,stayed,played,必做题 选做题,watchlikecarry,watertasteenjoy,PresentTense,PastTense,waterlikecarry,watered,liked,carried,PresentTense,PastTense,watchtasteenjoy,watched,tasted,enjoyed,Read and tick or cross.,I walk to school yesterday.We plaied football in the park last Sunday.I live in Bei Jing 5 years ago.,Expansion,have/hasdo/doesam/isare,had,did,was,were,PresentTense,Past Tense,PresentTense,Past Tense,gocomeeatdrink,went,came,ate,drank,PresentTense,Past Tense,writemake,wrote,made,不规则变换形式,