"Are these your cars?" "Yes, they are."
He contrived a means of speaking to Nancy privately.
The boys were whispering; I knew they were up to something.
Ann wrote something on the blackboard.
Some classmates saw me give him chocolate.
My vision is getting worse these days.
I returned the books I borrowed from the library, and I borrowed some new ones.
Some people like sports. Others don't.
An uncle of mine gave me some useful advice.
I want a box in which to keep these toys.
Democracy is the worst form of government, except all the others that have been tried.