2 . He doesn't swim(B) yesterday .
3 . They don't read(A) books now .
4 . My father didn't take(B) me to my uncle house weekend .
5 . My sister goes swimming(C) with her friend .
THEY ; WE ; YOU ; I ; danh từ ; ngữ danh từ số nhiều dùng DO .
HE ; SHE ; IT ; danh từ ; ngữ dah từ số ít dùng DOES .