人教版五年級英語下冊《Work quietly!》PPT課件(第1課時)，共17頁。
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.
知識講解
They are eating lunch. 它們正在吃午飯。
It’s playing with its mother. 它正在和***媽玩。
現(xiàn)在進行時的肯定句結(jié)構(gòu)為主語+be動詞+v-ing…
be動詞隨主語變化。
現(xiàn)在進行時的否定句結(jié)構(gòu)為主語+be動詞+not+v-ing…
What are they doing? 它們在做什么？
What’s the little monkey doing? 那只小猴子在做什么？
特殊疑問句“What +be動詞+主語+doing？”
意為“某人正在做什么？”
現(xiàn)在進行時的特殊疑問句結(jié)構(gòu)為特殊疑問詞+be動詞+主語+v-ing…?，
be動詞要隨主語變化。
動詞的-ing形式怎么變？
1.一般情況下，直接在動詞后加-ing.
work – working
sleep – sleeping
study – studying
2.動詞以不發(fā)音的-e結(jié)尾，要去-e加-ing.
take – taking
make – making
dance – dancing
3.以重讀閉音節(jié)結(jié)尾，且詞尾只有一個輔音字母時，先雙寫這個輔音字母，再加-ing(重閉單輔先雙寫)。
put – putting
run – running
stop – stopping
4.以-ie結(jié)尾，先將-ie改成y，再加-ing.
lie – lying
tie – tying
die – dying
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