Wrong: He was condemned to be hung.
Right: He was condemned to be hanged.
Right: The picture was hung in the parlor.

Humbug. Do not use humbug as a verb.

Wrong: He has humbugged the people for years.

Illy. Do not use illy for the adverb ill. See §40.

In, into. Do not confuse in and into.

Wrong: He went in the house.
Right: He went into the house.
Right: He exercised in a gymnasium.

Kind. Do not precede kind by those or these.

Wrong: I do not like those kind of plays.
Right: I do not like that kind of play.

Kind of a. Do not use a or an after kind of. See §47.

Wrong: It is one kind of a mistake.
Right: It is one kind of mistake.