Sentence: "Fred had a snake behind the car Joe was sitting in."
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

Sentence: "John sounded happily."
Would a linguist rate this sentence to be acceptable linguistically?
A: unacceptable

Sentence: "John believes it to be obvious that Bill left."
Would a linguist rate this sentence to be acceptable linguistically?
A:
acceptable