Resposta:
3. a) We "were" talking about the summer vacation.
b) I "were" at my best friend's house.
c) My best friend's mother "was" there and she talked with us too.
d) She "was" crazy about wine.
4. A) We "weren't " talking about the summer vacation.
B) I "weren't " at my best friend's house.
C) My best friend's mother "wasn't " there and she talked with us too.
D) She "wasn't " crazy about wine.
Espero ter ajudo ^^
