人教版五年级英语下册《Work quietly!》PPT课件(第1课时)，共17页。
Warm up
Let’s go to the zoo!
OK! I love animals.
Look at the pandas.
What are they doing?
Haha. They’re eating lunch! They’re so cute.
Oh, yes! They like bamboo.
What’s the little monkey doing?
It’s playing with its mother!
They look very happy.
I think so, too.
知识讲解
They are eating lunch. 它们正在吃午饭。
It’s playing with its mother. 它正在和它妈妈玩。
现在进行时的肯定句结构为主语+be动词+v-ing…
be动词随主语变化。
现在进行时的否定句结构为主语+be动词+not+v-ing…
What are they doing? 它们在做什么？
What’s the little monkey doing? 那只小猴子在做什么？
特殊疑问句“What +be动词+主语+doing？”
意为“某人正在做什么？”
现在进行时的特殊疑问句结构为特殊疑问词+be动词+主语+v-ing…?，
be动词要随主语变化。
动词的-ing形式怎么变？
1.一般情况下，直接在动词后加-ing.
work – working
sleep – sleeping
study – studying
2.动词以不发音的-e结尾，要去-e加-ing.
take – taking
make – making
dance – dancing
3.以重读闭音节结尾，且词尾只有一个辅音字母时，先双写这个辅音字母，再加-ing(重闭单辅先双写)。
put – putting
run – running
stop – stopping
4.以-ie结尾，先将-ie改成y，再加-ing.
lie – lying
tie – tying
die – dying
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