Fill in the table with appropriate formulas of the tense forms:
1) have V ed, V-3; 2) V-ed V-2. 3) shallwill be V-ing; 4) V. Vs 5) shallisill have ed 3:6)am is are ing 7) had l -ed. 3.8)shall will V 9) was were V.ing: 10 have been ing, 11)had been ing 12)will have been V-ing