Neither/ Either and So

I am not in New York and Neither are you. / You arent either.

I was not in class. / Neither was I / were they.

I was not in class either.

I dont go to "Bocachica"and neither do I.

She doesnt like soup and neither does She/They/I.

He doesnt drink water and neither do I. /and I dont either. 

I will visit "La Feria del Libro" on next year so, will She /He.

With So:

They are in class so are we. 

You buy candies and so does She.

She can speak English so can I. 

With Modal verb:

They should be in class and so should we.

I must go So must He/ She.

I wont visit "La Feria del libro" on next year, neither will she. / She wont either.