1) general:
Have the partners applied for a corporate charter?
Have the stockholders voted at the annual meeting?
Has the company issued the additional stock?
Have they invested all their money in this company?
2)special:
Who have for a corporate charter applied?
Where have the stockholders voted?
What has the company issued?
What have they in this company invested?
3)disjunctive:
1/....(полностью предложение), have not they?
2/ ........ , have not they.
3/ ....., has not it?
4/ ....., have not they?
4) alternative:
1/ ......(полностью предложение) or invitation?
2/ ....... or have not?
3/ ........ or resource?
4/ ...... or stocks?