1. We are writing an essay now.
Are we writing an essay now?
We aren't writing an essay now.
2. My dog is chasing a cat now.
Is my dog chasing a cat now?
My dog isn't cashing a cat now.
3. I'm doing my homework now.
Am I doing my homework now?
I'm not doing my homework now.
4. The students are playing in the yard at the moment.
Are the students playing in the yard at the moment?
The students aren't playing in the yard at the moment.
5. My grandma is baking a cake now.
Is my grandma baking a cake now?
My grandma isn't baking a cake now.
