Usage:I was not sure if she will succeed but I certainly hope so.
John is going to help me, or so he says.
Usage:he might have been killed; as it is he was severely injured
Usage:He is such a fidget.
Usage:at incredible speed
Usage:She stays with my aunt as a free loader.
Usage:she has brought her whole luggage through free port.
Usage:Monkeys are used as guineas to test the effectiveness of medicines before prescribing them for human beings.