四年级下册Unit 2 Cleaning Day Part A集体备课ppt课件

这是一份四年级下册Unit 2 Cleaning Day Part A集体备课ppt课件，共18页。PPT课件主要包含了动词进行时变化规则，Homework等内容，欢迎下载使用。
Unit 2 Cleaning Day
What’s in the classrm?
Sing a sng.
It’s time t clean up!
clean ur classrm
clean the desk
clean the chair
clean the windw
clean the dr
stand n the chair
Listen and answer.
What are Yang Ming, Lily, Julia, Sally and Wang Ta ding?他们正在做什么？
1. Yang Ming is cleaning the blackbard.
2.Lily is cleaning the desks.
3.Julia is cleaning the chairs.
4.Sally is cleaning the windw.
5.Wang Ta is cleaning the dr.
be动词(am/is/are)+动词进行时(动词原形+ing)
现在进行时句子的基本结构
I am cleaning the desk.He/she is cleaning the desk.They are cleaning the desk.
1.She ____________(read) a bk. 她正在看书。
2. He ______________ TV. 他正在看电视。
3. She ____________in the playgrund. 她正在操场跑步。
4. I ______________ (make) a birthday card. 我正在做生日贺卡。
is reading
is watching
1. 一般在动词后直接加 ing。如: play→ playing; clean→ cleaning。2. 以e结尾的动词，先去掉e，然后加 ing，如：dance→ dancing；have→ having；ride→ riding。3. 以重读闭音节结尾的单词，双写最后的辅音字母后加 ing，如：run→ running; swim→ swimming; get→ getting; sit→ sitting。
Write the new wrds and the new sentences 5 times!