1. You should chew over this thing.
2. He spent the weekend chewing over the problem.
3. I'll give you till tomorrow to chew over.
4. His head was still chewing over the problems he had discussed with his young students at the polytechnic.
5. Let's chew over the idea before making any decisions.
6. There is plenty of time for us to chew over our plan.
7. Please chew over my offer and let me know next week whether you're interested.
8. Time is regularly aside at the highest levels to chew over how best to do this.