Question

Nishegvachak vakya ka ek udharan likhyea

Answer 1

You mean nished vacahak ( negative sentence) .....I think so
1. mai kal school nii jaunga.
2. Mujhe khana nii khana.
3. Wo mera ghar nii h.

Answer 2

रोगी उठ -बैठ नहीं सकता ।
यह काम मत कीजिए ।
वे बाजार नहीं गए ।

HOPE MY ANSWER WILL HELP U.