内容正文:
red
A
apple
Hi
B
C
Hello
Unit 5 Peter is writing
Part A—Part C
小学英语四年级下册湘少版
1
flying
Fly, Fly,Fly,Fly, Butterfly
Fly, fly, fly, fly, butterfly.
In the meadows, flying high.
In the garden, flying low.
Fly, fly, fly, fly,butterfly.
Part A Let's Listen and say
What are they doing?
Part A Let's Listen and say
Peter's mum is cooking
in the kitchen.
Part A Let's Listen and say
Sentences
1. What are they doing?
他们正在做什么?
详解:本句是由what引导的特殊疑问句,用于询问某人正在做什么。
句型结构:What + be动词+主语+ doing?
答语:主语+ be动词+动词-ing+其他.
2. Peter's mum is cooking in the kitchen.
彼得的妈妈正在厨房里做饭。
详解:本句是现在进行时,用来描述现在正在发生或进行的动作、行为,常和listen、look、now等词连用。
肯定句结构:主语+助动词be+动词的现在分词+其他.(be动词随主语人称和数的变化而变化)
现在进行时
概念:现在进行时是表示现在(说话瞬间)正在进行或发生的动作。
结构:现在进行时的结构:
be动词+动词的现在分词(动词原形+ing)
例句:I am playing basketball now.
我现在正在打篮球。
看下列例句,总结句式变化规律:
They are playing football now.
他们现在在踢球。
They are not playing football now.
他们现在没有在踢球。
肯定句
否定句
are not=aren’t
现在进行时的否定句式直接在be动词后面加否定词not。
看下列例句,总结句式变化规律:
They are playing football now.
他们现在在踢球。
Are they playing football now?
他们现在在踢球吗?
肯定句
一般疑问句
现在进行时的一般疑问句把be动词提至句首即可。
看下列例句,总结句式变化规律:
They are playing football now.
他们现在在踢球。
What are they doing now?
他们现在在干什么?
肯定句
特殊疑问句
现在进行时的特殊疑问句由疑问词加一般疑问句构成。
现在分词的构成规则:
1.直接在谓语动词后加-ing。
start — starting go — going
2.去掉词尾不发音的e,再加-ing。
leave — leaving make — making
3.如果词尾的e发音,则不能去掉,直接加-ing。
see — seeing agree — agreeing
现在分词的构成规则:
4.对于重读闭音节词,则双写末尾字母再加-ing。sit - sitting begin - beginning
5.有少数动词的-ing形式比较特殊。
lie - lying die - dying
Part B Let's Learn
cook
做饭
eat
吃
drink
喝
Part B Let's Learn
play
玩耍
watch观看
sleep睡觉
Let’s play
eat
cook
play
watch
drink
sleep
Part C Let's Practise
Make a sentence.
Part C Let's Practise
Part C Let's Practise
Make a sentence.
Part C Let's Practise
Sentences
Is Peter cooking?
彼得正在做饭吗?
详解:本句是现在进行时的一般疑问句。
句型结构:Is+主语(第三人称单数)+动词-ing+其他?
肯定回答:Yes, 主语+is.
否定回答:No, 主语+isn't.
一、写出下列动词的现在分词