I. Which of the sentences have mistakes? 1. If I have this tool, I would give it to you. 2. If my boss were open and accessible, I would enjoy my job. 3. If we had known you were on your business trip, we would contact you by ...

I. Which of the sentences have mistakes? 1. If I have this tool, I would give it to you. 2. If my boss were open and accessible, I would enjoy my job. 3. If we had known you were on your business trip, we would contact you by e-mail. 4. If our manager had known the whole story, he would not have fired you. 5. If I will meet him, I will let you know. 6. Unless you find the job, I will help you. 7. If I was you, I would not miss this opportunity. 8. I wouldn’t left the office yesterday night if I hadn’t finished my work. 9. I won’t be able to call you unless you don’t give me your number. 10. If there are a lot of people at the meeting, nobody will notice his absence.