I will insure your car so repairs don't cost as much.
Your insurance policy will insure you in case of a physical loss, such as a theft or a fire.
Can you suggest any additions to it, in the way of crime, that will reasonably insure my going to some other place.
I went and insured myself with insurance today.
When it has a subject, verb, punctuation, capitalization, a predicate, and a complete thought. A sentence is a sentence when it is handed down by a judge (or a magistrate).