动词原形变三单的规则

1)一般情况下,动词后面直接加-s.例如works gets says reads.

2)以ch,sh,s,x或o结尾的动词,在后面加-es.例如go-goes.

3)以辅音字母+y结尾的动词,把y变为i再加-es.例如study-studies；try-tries.

4)不规则动词变化。

例句

He likes watching TV. 他喜欢看电视。

She has lunch at twelve. 她十二点吃午餐。

It looks like a cat. 它看起来像只猫。

There is something wrong with the watch. 这块手表有毛病。

The milk is in the glass. 牛奶在玻璃杯里。

Twenty-four hours is a long period of time. 24小时已经是很长一段时间了。