Answer: A) Simple, Continuous, Perfect Simple, Perfect Continuous.
Explanation for this question is being written.
Answer: D) Because these categories impinge on each other.
Answer: B) Continuous Tenses.
Answer: D) Tenses showing the process or development of an action.
Answer: B) Simple, Continuous, Perfect.
Answer: B) Tense shows when an action happens, aspect shows how the action relates to time.
Answer: A) Simple, continuous, perfect, and perfect continuous.
Answer: B) Perfect
Answer: D) All of the above.
Answer: C) Progressive
Answer: A) 4SimpleContinuousPrefectPerfect Continuous.
Answer: C) Both A and B.
Answer: A) Present, subjunctive.
Answer: A) True
Answer: C) Time and Aspect.
Answer: A) To describe facts, events, or states believed to be true.
Answer: A) Combining time and aspect.
Answer: B) The time of the action.
Answer: B) 12
Answer: B) She wrote a letter.
Answer: B) They can occur in verbs and adverbs.