1、be动词：am / is / are“是”
eg：She is beautiful.她很美。
2、感官动词+形容词：feel感受 sound听起来 look看起来 taste尝起来 smell闻起来。
It sounds great. 听起来真好！
3、“保持”类动词：stay、remain、keep。
eg：We should keep healthy.我们应该保持健康。
4、“变化”类动词：get、become、turn
eg：It gets colder and colder.
天气变得越来越冷了。
