2. I stayed home last night
I didn't stay home last night
3. She studied for an exam
She didn't study for an exam
4. you cleaned the house
You didn't clean the house
5. I called a friend
I didn't call a friend
6. I checked my e-mail
I didn't check my e-mail
I didn't stay home last night
3. She studied for an exam
She didn't study for an exam
4. you cleaned the house
You didn't clean the house
5. I called a friend
I didn't call a friend
6. I checked my e-mail
I didn't check my e-mail
