Jawaban:
1. (+) i am a student of SMPN 7
= saya siswa SMPN 7
(-) i am not a student of SMPN 7
= saya bukan siswa SMPN 7
(?) am i a student of SMPN 7?
= apakah saya siswa SMPN 7?
2. (+) my brother is borrowing book
= adikku meminjam buku
(-) my brother is not borrowing book
= adikku tidak meminjam buku
(?) is my brother borrowing book?
= apakah adikku meminjam buku?
3. (+) they are sleep in the bedroom
= mereka tidur di kamar tidur
(-) they are not sleep in the bedroom
= mereka tidak tidur di kamar tidur
(?) are they sleep in the bedroom?
= apakah mereka tidur di kamar tidur?
4. (+) Risma and i are studying English
= Risma dan saya sedang belajar bahasa Inggris
(-) Risma and i are not studying English
= Risma dan saya tidak sedang belajar bahasa Inggris
(?) are Risma and i studying English?
= apakah Risma dan saya sedang belajar bahasa Inggris?
5. (+) our grandmother is live in the village
= nenek kami tinggal di desa
(-) our grandmother is not live in the village
= nenek kami tidak tinggal di desa
(?) is our grandmother live in the village?
= apakah nenek kami tinggal di desa?
sorry if wrong