Believe
24 Therefore I tell you, whatever you ask for in prayer, believe that you have received it, and it will be yours.
Mark 11:24
Forgive
25 And when you stand praying, if you hold anything against anyone, forgive him, so that your Father in heaven may forgive you your sins.
Mark 11:25
Supplement with thanksgiving
6 Do not be anxious about anything, but in everything, by prayer and petition, with thanksgiving, present your requests to God.
Philippians 4:6
Pray with others
19 “Again, I tell you that if two of you on earth agree about anything you ask for, it will be done for you by my Father in heaven.”
Matthew 18:19