Chuyển sang câu phủ định
1. Our dog is eating food
-> Our dog isn't eating food.
2. You're playing the guitar
-> You aren't playing the guitar.
3. My best friend is sitting next to me
-> My best friend isn't sitting next to me.
Chuyển sang câu phủ định
1. Our dog is eating food
-> Our dog isn't eating food.
2. You're playing the guitar
-> You aren't playing the guitar.
3. My best friend is sitting next to me
-> My best friend isn't sitting next to me.