Here's the completed exercise:

1. If your father comes back, will we go out?

   • We use the simple present tense for the if-clause in a first conditional sentence.

2. My mother usually prepares breakfast at 10 a.m.

   • We use the adverb "usually" with the simple present tense to express habitual actions.

3. Every morning, Mark doesn't drive his children to school.

   • The negative form of the simple present tense is used to express routine actions.

4. I didn't speak Italian when I was at school.

   • The simple past tense is used to talk about completed actions in the past.

5. Do you like drinking coffee?

   • This is a question in the simple present tense.

6. I hate living here because it always rains.

   • The simple present tense is used to express habitual actions or general truths.

7. Those shoes cost too much.

   • The simple present tense is used to express facts or general truths.

8. I never visit my grandma on Fridays.

   • The adverb "never" is used with the simple present tense to express negative habits or routines.