1. He is a student
He isn't a student
Is he a student?
2. You walked with my dog two hours ago
You didn't walk with my dog two hours ago
Did you walk with my dog two hours ago?
3. She loves sandwiches.
She doesn't love sandwiches
Does she love sandwiches?
4. Teacher went to the shop this morning
Teacher didn't go to the shop this morning
Where did teacher go this morning?
5. She is doing her homework now
She isn't doing her homework now
What is she doing now?