1. She might of importance if it had not been for a slight uneasiness in her stomach.

2. If it had not been for the doctor's care I should not be speaking to you now.

3. If it had not been for your help, I could not have lived on.

4. He might have been seriously injured if it had not been for Bert.

5. If it had not been for your help, I will have failed.

6. If it had not been for your advice, I will not have seen my mistake.

7. If it had not been for your advice, I should have failed in the business.

8. If it had not been for your help, I wouldn't have finished the work so easily.

9. I might never have identified his inability to read if it had not been for an entirely social happenstance.