1.   All ships were on full alert.

2.   But now the ship was almost ready and though the uneasy peace remained intact, soon it would be broken.

3.   His ship was due back from the Pacific any day now.

4.   It is a radar detector which sets off an alarm if a ship, with radar working, is in the vicinity.

5.   It soon became clear that the ship was in grave peril.

6.   It was clear that the ship was in grave danger of sinking.

7.   Many shops remain open on a Sunday, especially if cruise ships are in port.

8.   Most wooden ships were watertight in harbour, but they all leaked when they got out to sea.