1 will not be. 2 hasn't been. 3 studies ... has been studying. 4 has ... stopped.
5 had ... stopped. 6 will... be snowing. 7 is snowing. 8 went ... was. 9 has been interested.
10 have not. 11 made. 12 had ... made. 13 woild make. 14 will make... go.
15 to make. 16 was repairing ... broke