1) + My friends are learning English
- My friends do not
learn English
? Do my friends study English at school?
2) + Patricia broke her leg two weeks ago
- Patricia did not break her leg two weeks ago
? Patricia broke her leg two weeks ago?
3) + In February, our school will celebrate Valentine's Day
- In February, our school will not celebrate Valentine's Day
? In February, our school will celebrate Valentine's Day?