buat lah kalimat past continues tense(+)(-)(?) 1.my friends mother watches movie with my grandfather 2.she sings a song happly 3.mukidi

1. (+) my friends mother watching movie with my grandfatger.
(-) my friends mother didn't watch movie with my grabdfather.
(?) did your mother's friends watch movie with your grandparents?

2. (+) she singing a song happily
(-) she didn't sing a song happily
(?) did she sing a song happily?

3. (+) mukidi ding his duty well
(-) mukidi didn't do his duty well
(?) did mukidi do his duty well?