Problem: Produce a sentence that would be considered grammatically acceptable

Answer: Handsome though everyone expects me to try to force Bill to make Mom agree that Dick is, I'm still going to Marry Herman.

Problem: Produce a sentence that would be considered grammatically unacceptable

Answer: What I said that was we would go.

Problem: Produce a sentence that would be considered grammatically unacceptable

Answer:
Because Dr Jones ate too much rich food didn't he, he died of apoplexy.