Помогите, пожалуйста, заочнице непутевой)))Найти многофункциональность глагола to

Помогите, пожалуйста, заочнице непутной)))Найти многофункциональность глагола to have:а) словарное (смысловое) значение иметь, владеть;
б) вспомогательный глагол для образования Perfect Tense;
в) в качестве модального глагола обязан;
г) выражение действия сочетанием to have + существительное.
1. Human societies have become increasingly dependent for their well-being on the ability to collect and analyze geographic information. 2. Public administration, for example, has to know exactly where pipes and cables are located in the ground if it wants to build new houses or renovate the sewer system. 3. They have some interesting information concerning this event. 4. Ive just had my hair done. 5. Marriage is a matter of learning to live with one particular person with whom you have chosen to blend your life. 6. He has a degree in information technologies (IT).