陈述句
疑问句
否定句
100

These giraffes are eating leaves.(翻译句子) 

这些长颈鹿正在吃树叶。

100

Are you reading ?(翻译成英语)

你正在读书么?

100

These lions are not sleeping. (翻译汉语)

这些狮子没有在睡觉。

200

这只老虎正在跑。(翻译成英语)

The tiger is running .

200

这些长颈鹿正在吃树叶么?(翻译成英语)

Are these giraffes eating leaves ?

200

这只鹦鹉没有在唱歌。(翻译)

The parrot is not singing. 

300

妈妈和我正在玩耍。(翻译成英语)

Mum and I are playing . 

300

这只猴子正在爬树么?(翻译成英语)

Is the monkey climbing ?

300

We are jumping. (变成否定句)

We are not jumping. 

400

这只猴子正在爬树。(翻译成英语)

The monkey is climbing the tree. 

400

tiger , run (组成现在进行时的一般疑问句)

Is the tiger running ?

400

Those hippos are swimming. (变成否定句)

Those hippos are not swimming. 

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