英语五年级【知识精讲】Lesson 19 Li Ming Comes Home（12张PPT）

(共12张PPT)
【知识精讲】 Lesson 19
Li Ming Comes Home
五年级 英语
发布课文朗读任务
（任务-发布任务-自定义任务）
Let’s read it!
Let’s read it!
课程主要内容
重点词汇和短语：story/back/did/yesterday/night
重点句型及表达：Did you have a nice trip？…
语法点拨：一般过去时/动词过去式的构成
This is an interesting story.
back
回来，回原处
story
Li Ming is back.
故事
Li Ming comes back.
重点词汇和短语：story/back/did/yesterday/night
I did my homework yesterday.
night
夜晚，晚上
did
做，干；助动词
(do的过去式)
Did you do your homework last night
yesterday
昨天
last night : 昨晚
重点词汇和短语：story/back/did/yesterday/night
What did you do last night
Did you have a nice trip？
肯定回答：Yes, I did.
一般疑问句
重点句型及表达：Did you have a nice trip？…
否定回答：No, I didn’t.
What did you do yesterday？
特殊疑问句
重点句型及表达：Did you have a nice trip？…
I watched TV yesterday.
I walked to the park yesterday.
He often watches TV at home.
一般现在时的用法：用于描述经常或习惯性的动作或状态。
I often walk to school.
语法点拨：一般过去时/动词过去式的构成
一般过去时的用法：用于描述过去发生的动作或状态。
I walked to school yesterday.
He watched TV at home last night.
规则变化中：一般情况在词尾加-ed
miss — missed watch— watched
walk — walked call — called
want — wanted help — helped
look — looked wash — washed
语法点拨：一般过去时/动词过去式的构成
动词过去式的构成分为规则变化和不规则变化两类。
不规则变化：
have — had
do — did
规则变化类别 构成方法 例词 读音规则
一般情况 加-ed paly—played want—wanted
清辅音后面读/t/;
浊辅音和元音后读/d/;
/t/和/d/后面读/id/。
以e结尾的动词 加-d live—lived use—used
以重读闭音节结尾的动词，末尾只有一个辅音字母 双写这个辅音字母，再加-ed shop—shopped stop—stopped
以辅音字母加y结尾的动词 变y为i，再加-ed study—studied worry—worried
语法点拨：一般过去时/动词过去式的构成