Yesterday, four sail of the line and a frigate appeared to the eastward, which unquestionably must be Gantheaume's squadron.
The remainder of the Enemy's Fleet, thirty-four sail, are to be left to the management of the Commander in Chief; who will endeavour to take care that the movements of the Second in Command are as little interrupted as possible.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "four sail" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.