This is my favourite song! (A)
Mine too! (more natural) / So is mine!
That's my house over there (D)
(It's) Not mine
I never do my homework (A)
Neither do I
Lucy was puzzled. (A - me)
And so was I.
I think we should go for a walk. (D)
I don´t
I don't mind if you eat now. (A)
Neither do I
Claire'd rather watch series to movies. (D- John)
John wouldn't
Lisa loves Netflix (D - Mark)
Mark doesn't
They should definitely go out today. (Agree - you and I)
So should we.
Martha loves horror films (D - her brother)
Her brother doesn't