2. you/wear a T-shirt
-Are you wearing a T-shirt? -Yes, I am./No, I'm not.
3. Bill/play basketball
-Is Bill playing basketball? -Yes, he is./No, he isn't.
4. Ann/ride a bike
-Is Ann riding a bike? -Yes, she is./No, she isn't.
5, Ton and Jerry/run
-Are Ton and Jerry running? -Yes, they are./No, they aren't.
6.your brother/drink milk
-Is your brother drinking milk? -Yes, he is./No, he isn't.
7. children/swim in the river
-Are children swimming in the river? -Yes, they are./No, they aren't.
8. the girl/climb a tree
-Is the girl climbing a tree? -Yes, she is./No, she isn't.
9. your friends/sing a song
-Are your friends singing a song? -Yes, they are./No, they aren't.
10. you/paint a picture
-Are you painting a picture? -Yes, I am./No, I'm not.