change into the correct form, thank you kak.
Jawaban:
1. (+) She used to sing pop song
(-) She didn’t use to sing pop song
(?) Did she use to sing pop song
2. (+) They used to learn English
(-) They didn’t use to learn English
(?) Did they use to learn English?
3. (+) He used to play basketball
(-) He didn’t use to play basketball
(?) Did he use to play basketball?
[answer.2.content]