Present Simple:
+ My teacher catches.
- My teacher doesn't catch.
? Does my teacher catch?
What ? What does my teacher catch?
Past simple:
+ My teacher catched.
- My teacher didn't catch.
? Did my teacher catch?
What ? What did my teacher catch?
Future Simple:
+ My teacher will catch.
- My teacher won't catch.
? Will my teacher catch?
What ? What will my teacher catch?
Present Cont
+ My teacher is catching.
- My teacher isn't catching.
? Is my teacher catching?
What ? What is my teacher catching?