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old tom thinks helping others is to help himself.old tom 是主语

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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
old tom thinks helping others is to help himself.old tom 是主语
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”