Complete the sentences with either the gerunds or the infinitives

Complete the sentences with either the gerunds or the infinitives
1. I really need to.................my hair
2. Why don't we stop to.....................hello to Aunt Mary?
3. We've managed to.....................tickets for the show
4. I'll never forget.......................the President and his wife
5. Would you mind........................me move this case?
6. I never remember to...........................my brother a birthday card.