划分句子成分 1.Do you want to have lunch with us?2.I feel ill 3.I

1.Do you want to have lunch with us?
主语是you 谓语是want 宾语是to have lunch
2.I feel ill
这句是主系表结构
3.I want to see the dentist,please.同第一句.
4.Our friends,Julie and lack,were there too.
主语是our friends 同位语Julie and Jack 系动词were后接表语.
5.Can I have the key to the front door?
主语是I,谓语是can have 宾语是the key 定语是to the front door
6,Tim is going to swim across the river tomorrow.
主语是Tim 谓语是is going to swim 状语是across the river tomorrow.