1.I have told you, and (Your father)

--> I have told you and so has your father.

2.She hasn't bought a glass of water, and (We)

--> She hasn't bought a glass of water and we haven't, either.

3.What you eat is healthful, and (What you drink)

--> What you eat is healthful and what you drink is, too.

4.None of my friends has come , and (You)

--> None of my friends has come and neither have you.

5.She can never drive a car , and (We)

--> She can never drive a car and neither can we.

6.I don't think you can do it , and (My Mother)

--> I don't think you can do it and neither does my mother.

7.My mother think they will come soon, and (I)

--> My mother think they will come soon and so do I.