Sentence: "Did John find the solution?"
Would a linguist rate this sentence to be acceptable linguistically?
A: acceptable

Sentence: "For John to tell Bill such a lie and Bill to believe it is outrageous."
Would a linguist rate this sentence to be acceptable linguistically?
A: acceptable

Sentence: "He will keep up with their expectations."
Would a linguist rate this sentence to be acceptable linguistically?
A: acceptable

Sentence: "I will have eaten the beef waffles."
Would a linguist rate this sentence to be acceptable linguistically?
A:
acceptable