1. On no account are you to give up taking your medication.
2. In the event of me getting this job, we may have to move to San Francisco.
3. On no account are bags to be put in front of the emergency exit.
4. Penny insisted on me/my telling her what happened at the firm's Christmas party.
5. Please do not hesitate to send us an email, should you need any more information.
6. If it hadn't been for Dave's knowledge of basic first aid, we would have been in serious trouble.