【精美课件】牛津译林七下7B U5 Amazing things Grammar 课件.pptxVIP

7BU5Grammer牛津译林七下

Pasttenseisusedtotalkaboutthingsthathavealreadyhappened.

一般过去时的结构

（一）观察文章中的句子，发现be动词的变化和行为动词过去式的规则变化。1.Iwasveryhappythere.2.TherewerelotsofthingstodoinQuilin.3.Ioftenwatchedmovieswithmyfriends.4.Sometimesweplayedbasketballinthepark.5.AndIoftenshoppedforfoodanddrinkswithmymother.6.Westudiedtogetherinthelivingroom.

（二）总结be动词和行为动词过去式的规则变化。一、Be动词：

原形：amisare按顺序二、过去式：行为动词：watch变过去式： like变过去式：

study变过去式： play变过去式：stop变过去式: cut变过去式:waswaswerewatchedlikedstudiedplayedstoppedcut

（三）动词的过去式规则变化规律：构成规则过去式一般在动词原形末尾加-edlook-lookedwalk-walked结尾是e的动词加-darrive-arrivedlike-liked末尾只有一个辅音字母的重读闭音节词，先双写这个辅音字母，再加-edstop-stoppedplan-planned结尾是“辅音字母+y”的动词，先变“y”为“i”再加-edstudy-studiedcarry-carried

（四）动词的过去式不规则变化规律：构成规则过去式与原形一样,没有变化cost-costput-put改变了元音write-wroteknow-knew改变了辅音make-madespend-spent元音和辅音都变化了leave-leftteach-taught其他变化is/am→wasare→werehave→has

gameCanyouworkoutthepasttenseoftheseverbs?

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ClickonthewordthatisthepasttenseoftheverbfixfixedfixsfixtWelldone!

Clickontheword