2021学年Grammar教学演示课件ppt

这是一份2021学年Grammar教学演示课件ppt，共17页。PPT课件主要包含了他正在砍树，现在进行时概念，现在进行时结构，现在分词的构成，时间标志词，Listen，Look，现在进行时的句型转换，连词成句等内容，欢迎下载使用。

He is cutting the tree nw. .
现在进行时表示说话时正在进行或发生的动作;
也可以表示当前一段时间内的活动或现阶段正在进行的动作．
主语 + be ( is / am / are ) +现在分词
eg. I am playing fball. Yu are cking in the kitchen. He is running n the playgrund. The by is sleeping. The students are flying kites in the park.
以下哪些句子是现在进行时？
1.末尾直接+ing
2.末尾是e，且e不发音，去e+ing
3.末尾是辅音字母的重读闭音节，双写末尾字母+ing
eg.d-ding play-playing ck-cking eat-eating read-reading
eg.make-making ride-riding write-writing use-using have-having
eg. hit-hitting, let-letting, put-putting, run-running, sit-sitting, run-running, swim-swimming, cut-cutting
4.末尾是ie的重读闭音节，变ie为y+ing eg. lie-lying die-dying
下列动词变现在分词属于哪一类？
C. 双写末尾字母+ing
还有哪些词没有现在分词？
nw, at the mment(在此时),these days
Be quiet! Dn't shut!...
eg. He is cutting the tree nw.
I am drawing pictures at the mment.
eg. Lk! The girls are running.
Listen! The by is crying.
Be quiet! My mther is sleeping.
陈述句变否定句
在be动词后面加nt，句中sme变any,and变r,t变either
eg. I am ding my hmewrk,t.
I am nt ding my hmewrk, either.
Mike is having sme sup nw.
Mike is nt having any sup nw.
陈述句变疑问句
将be动词移到句首，句中第一人称变第二人称，通常sme变any
1.当句中含be动词或情态动词时，在它们后面加nt。
eg. I am ding my hmewrk.
Are yu ding yur hmewrk?
Mike is flying kites nw.
Is Mike flying kites nw？
What is he ding?
猜猜木头后面光头强在干嘛!