Unit 1 I went to Sanya for my holidays. 课件(共13张PPT)

(共13张PPT)
课题：I went to Sanya for my holidays难点名称：理解一般过去式的用法及动词词尾的规则变化。六年级-下册-第一单元目录CONTENTS导入pastnowfuture）
知识讲解
Good moring , everyone! I'm Li Yan. Let me tell you how we learnd English
There years ago ,we began to learn english. Our English teacher taught us in many ways ,so we were very interested in English lessons.We often sang, danced, danced ,chanted and played games.Our teacher usually let us do things by ourselves. We did interesting tasks.
一般过去式的用法
1.表示过去某一时间发生的动作或存在的状态或过去经常、反复发生的动作。
常与yesterday,last week , just now, two years ago等时间状语连用。
知识讲解一般情况观察单词，发现规律learn--------learnedchant------chanted一般情况下直接在动词原形后面+ed成过去式知识讲解一般情况观察单词，发现规律dance--------danceduse-----------used以不发音e结尾的动词，直接在动词词尾+d构成过去式。知识讲解一般情况观察单词，发现规律stop--------stopped以一个辅音字母结尾的重读闭音节动词，双写辅音词尾字母，再+ed构成过去式。知识讲解观察单词，发现规律study--------studiedcarry---------carried以辅音字母加y结尾的动词，变y为i再加ed构成过去式。知识讲解不规则变化观察单词，发现规律begin--------beganteach--------taughtsing----------sang发音规则清辅音后读作\t\；浊辅音和元音后读作\d\;动词词尾是t和d后面读作\id\.【课堂练习】
We ___to learn English three year ago.
A.begin B.began C.begins
I ___very tired last night.
A.is B.was C.are
I ___TV yesterday.
A.watched B.watch C.watches
I ___lunch just now.
A.have B.has C.had
B
B
A
c
【课堂小结】
1,一般过去式的含义以及常用的关联词有哪些？
yesterday,last week , just now, two years ago
2.动词过去式的变化规则。
一般情况下直接在动词原形后面+ed成过去式。
以不发音e结尾的动词，直接在动词词尾+d构成过去式。
以一个辅音字母结尾的重读闭音节动词，双写辅音词尾字母，再+ed构成过去式。
以辅音字母加y结尾的动词，变y为i再加ed构成过去式。