0 If I'm tired, I go to sleep.
1 If I'm tired, I will let you know.
2 If i was tired, I would just go home.
0 If I have a lot of homework, I don't play video games.
1 If I have a lot of homework, I won't come to the party.
2 If I had a lot of homework, I wouldn't go to the cinema with you.
0 If my family has some free time, we play together in a park.
1 If my family has some free time, we will come to the meeting.
2 If my family had some free time, we would spend more time together.
