Future action 1. our next lesson (be) on monday.a. is going to beb. will bec. is2. the phone is ringing. i answer.a. will b. am going to 3. i think i (do) it.a. will do b. doc. am going to do4. tomorrow (be) friday.a. will beb. is5. sam's plane (arrive) at midnight.a. will arriveb. is going to arrivec. arrives6. -why have you brought your guitar? you (sing) at the party? a. will you singb. are you going to sing