1The artist was sure he would ， but when he presented his masterpiece to the emperor's chief minister， the old man laughed.
一、谓语动词与非谓语动词在英语十大词类中，动词的用法最灵活、最复杂，也是中、高考的重点考查项目。英语动词几乎可以在句子中做所有的语法成分，在句子中做谓语的动词称谓语动词，在句子中做除谓语之外的其它语法成分的动词称非谓语动词。
Why not +动词原形 例:Why not come with us and have a look?Youd better +动词原形 例:Youd better get there on time.
