Complete the sentence with the correct perfect tense of the verb.
11.Before we finish fifth grade, we will have studied (study) some biology and some chemistry.
12 The students eat breakfast before they boarded the bus for the field trip 13. My friend Jason (go) to Florida every year since he turned five
14.My dad (want) to be a lawyer for as long as he can remember.
15. Before we move to the new house, we (pack) all of our clothes.​