For many Palestinians, however, the interim period went on too long and did not change their lives enough.

I was very interested in finding out what this next period of my life is going to be like.

Wednesday last period, he went to a special guidance program about college.

"Things of quality, no matter what the period, can go together," the designer says.

But one more period and I was going to eat a power bar or something like that.

In that case, the period goes inside, at the end of the quoted sentence.

This bad period was going to turn into financial difficulties.

Let a short period of time go by, if possible, before your second meeting.

"I think we will stand," he said, "after a period of time has gone by."

I would expect that the number will obviously increase the longer period of time goes by.