штаб квартира их раньше не подписыв

штаб квартира их раньше не подписывала.
До сегодняшнего дня, мы подписывали их в офисе Казахстан

Это в первый раз, когда мы должны будем их подписать
Это будет в первый раз.

It would be the first experience.

Results (English) 1:

their headquarters earlier had not signed.Until today, we signed them in the Office of KazakhstanThis is the first time we will have them signIt will be the first time.It would be the first experience.

Results (English) 2:

headquarters they had not signed.
Till today, we have signed in the office of Kazakhstan This is the first time we will have them sign This will be the first time. It Would be the first experience.

Results (English) 3:

Headquarters their earlier did not sign.
until today, we signed them in the office Kazakhstan

this is the first time, when we will have them to sign
this will be the first time.lord it would be the first experience.