Are they going to play badminton?(+)=(-)=
rumus kalimat positif, negatif dan interrogative present continuous tense:
(+) S + be + V-ing + O/C
(-) S + be + not + V-ing + O/C
(?) Be + S + V-ing + O/C + ?
maka jawabannya adalah:
(+) They are going to play badminton
(-) They aren't going to play badminton
(?) are They going to play badminton ?
semoga membantu