1) if I had a dog, I would be happy

2) if she didn’t have this disease, she would feel well

3) if he knew her number, he could call her

4) you would be smarter if you studied better

5) if I had more free time, I could read more

6) they would come if she invited them

7) if you came to town on Monday, you could meet my brother Tom

8) we could have a picnic lunch if the day was fine

9) if you asked a policeman, he would tell you the way

10) I would finish the job tomorrow if I could