Match rules 1-3 with examples from a-c in exercise 1. Then complete the rules with present simple or present continuous.

RULES 

1. In general, we use the _____ with frequency adverbs and expressions like sometimes, usually and every week.

2. We normally use the _____ with time expressions which indicate an action in progress, like now and at the moment.

3. We can also use the _____ with always when we talk about a habit or repeated action which annoys us.