1 +
2 will have been with the company (being лишнее)
3 We'll have become the market leader...
4 I'll have been taking the same train...
5 will you already have had a chance...
6 +
7 will have been appointed (здесь нужен пассив - директора назначат)
8 Sandra won't have finished the reports
9 He definitely won't have been expecting
10 +
11 +
12 won't have been delivered by next...