Answer: A) Behave
Explanation for this question is being written.
Answer: A) They are more formal and express tenses other than the present.
Answer: C) Had better.
Answer: A) It is getting dark. We had better go now.
Answer: A) Go
Answer: A) Am not allowed to.
Answer: C) Managed to find it.
Answer: A) Wants me to.
Answer: A) Don't
Answer: B) Had better.
Answer: A) True
Answer: B) Didn't
Answer: B) Tend to.
Answer: D) To allow someone to do something.
Answer: D) Had better.
Answer: A) Had better.
Answer: A) Doesn't
Answer: B) Watch
Answer: B) Allowed to.
Answer: D) Won't be able to.
Answer: B) Do
Answer: D) Are supposed.
Answer: D) Do not lie to them!
Answer: A) Is allowed to.
Answer: A) Won't manage.
Answer: D) Let
Answer: A) Will not leave.
Answer: D) Is supposed to.
Answer: C) Am bound to.
Answer: D) Dare notTagssemi-modal (boldness).
Answer: B) Got to.
Answer: B) He has to swim.
Answer: A) Going to the beach and park.
Answer: A) 'd better find.
Answer: B) Have better.
Answer: A) Park
Answer: A) Was bound.
Answer: B) Aren't allowed.
Answer: A) Hurry-to meet.
Answer: B) Let
Answer: A) Answer
Answer: C) Had better not.
Answer: A) You're not supposed to smoke here.
Answer: B) Mean to.
Answer: A) Let
Answer: D) Allowed to.
Answer: C) May, might, must, ought to.
Answer: B) Wish
Answer: D) Weren't supposed to come.
Answer: B) Do not get.
Answer: A) Allow someone to do something.