You have learned how to use the simple past and past perfect form of the verb in a sentence. Do not be confused when to use the sample past and the past perfect tense. Now, you are ready to do the following enrichment activities. A. Fill in the blanks with the appropriate forms of the verbs inside the parentheses using simple past and past perfect tenses. Write your answer in a separate sheet of paper. 1. Before the students (start) to answer, the teacher instructed them what to do. 2. The students (master) the tenses of the verb before they moved on to the next lesson. 3. They (asked) many questions when they did not understand the lesson well 4. After Lemy (read) 5. Dan (submit) the book, her friends borrowed it. his book report before the deadline came.​