Complete the grammar rules using can or can't.

Choose the correct option.

1. You use [can|can't] when something isn't allowed.

2. You use [can|can't] when something is allowed.

3. You use [can|can't] when you aren't able to do something.

4. You use [can|can't] when you're able to do something.

Match the rules above with the examples.

Write one number in each gap.

My sister can play tennis very well. She takes part in competitions. [ ]
You can't listen to music loudly in the library. [ ]
Fred can't swim. He wants to learn how to swim next summer. [ ]
You can open the window if you want. [ ]