tolong di ganti kalimat (+),(-),(?) pakai b.inggris

1. (+) putri and kadek are students
(-) putri and kadek aren't students
(?) are putri and kadek students?
2. (+) ms. khamsiah is teaching science right now.
(-) ms. khamsiah isn't teaching science right now
(?) is ms. khamsiah teaching science right now?
3. (+) they are eating right now
(-) they aren't eating right now
(?) are they eating right now?
4. (+) fatahilah and agha are speaking indonesian
(-) fatahilah and agha aren't speaking indonesian
(?) are fatahilah and agha speaking indonesian?
5. (+) bagas is sleepy right now
(-) bagas isn't sleepy right now
(?) is bagas sleepy right now?
*untuk membedakan tenses yang digunakan, kata "sedang" berarti menggunakan present continuous, dan untuk fakta/ kebiasaan menggunakan present simple*
jadikan jwbn terbaik semoga membantu :))