Verb conjugation of "permanecer" in Spanish

My wife an I have decided that as long as our children were small and would not have to go to school we need to take advantage of our freedom and travel as much as possible. Later this year we will go to Costa Rica.
I wanted to ask whether you would like to help in another English - Spanish project. The dictionary has around 10,000 -20,000 entries and many of them do not have sample sentences. We need to add sentences to give users more background.
In winter it is a great place because you can ski. In the summer I like being in Paris because it is a very empty city in summer. The people head down to the coast, to Nice, Cannes and similar.