Improper used in a sentence

Improper in a sentence as an adjective

And if they try to use a diplomatic bag then the UK will claim that it's being used for improper purposes and block it.

I guess Manning was a fool for not "apologizing" for his "improper access".

In any case, to wear an improper expression on your face...; was itself a punishable offense.

" Frequent signs of non-native English are improper verb conjugation and article placement, rather than something like "should of.

"Certain people are extremely sensitive to what they perceive as improper or demeaning interaction, even when it doesn't directly involve them.

"Nevertheless the Economist made it sound that she was only persecuted for accepting financing from unofficial sources, not that she was doing anything improper with the financing.

The brochure explicitly stated that parents should not correct their child's improper spelling or pronunciation because that would somehow stifle learning or take away from the "professional's" ability to "properly" impart knowledge to the child.