old tom thinks helping others is to help himself.old tom 是主语,thinks是谓语其他是宾语对吗
问题描述：
old tom thinks helping others is to help himself.old tom 是主语,thinks是谓语其他是宾语对吗
答
追问的问题：
一个句子中只能出现一个动词做谓语,若出现第二动词则需要用动词的变换形式(作为非谓语),有三种：
（1）to do表将来或目的eg. I want to be a teacher.
（2）doing表进行、状态 eg. The man talking loudly is Mr Green.
（3）done 表被动、完成 eg. Well, the rice is almost done!
How would you like your steak done?
动词只能做谓语,而动词的三种变换形式即非谓语可以做除谓语之外的其他成分,也就是你所说的“.语”