Sentence: "Sandy appears that Kim is happy."
Would a linguist rate this sentence to be acceptable linguistically?
A: unacceptable

Sentence: "I have gone and bought some whiskey."
Would a linguist rate this sentence to be acceptable linguistically?
A: acceptable

Sentence: "It was John Bill that were waiting at the restaurant."
Would a linguist rate this sentence to be acceptable linguistically?
A: unacceptable

Sentence: "I believe the problem to be obvious."
Would a linguist rate this sentence to be acceptable linguistically?
A:
acceptable