Поставьте глаголы в скобках в форму инфинитива либо герундия. Why

Поставьте глаголы в скобках в форму инфинитива либо герундия.

Why do we need bread? I remember _________ it. (buy)
When you see Clair, remember _________ my regards to her. (give)
I forgot ___________ his letter but I can do it now. (answer)
Sorry, I didnt recognize you. I forgot _________ you. (meet)
(After the interview) I regret_________ that you have not been hired.(say)
He regrets _________ this mobile phone. It breaks down all the time. (buy)
Please, remember __________this fax or my boss will be angry. (send)
They will always remember __________ in that park. (meet)
Did you forget_________ her? She will be really upset! (invite)
You shouldnt remember __________ with him. It was long time ago. (quarrel)