Put the given verbs into the infinitive or the gerund form

1. Dear Sir, I regret
   [ ] this letter of complaint but I feel I must.
2. Dear Sir, I regret
   [ ] my letter of complaint because I was wrong.
3. If you forget
   [ ] the monthly bills, you can always check your payments online.
4. My new job will mean
   [ ].
5. Now that Jack is in the money, he will go on
   [ ] married.
6. We can't go on
   [ ] like this.
7. I am afraid
   [ ] mice.
8. If you can't memorize the poem, try
   [ ] it to a nice tune.
9. I remember
   [ ] the key somewhere around.
10. Remember
    [ ] when you arrive in Bombay.
11. The snake looks dangerous and I am afraid
    [ ] it.
12. This carpet needs
    [ ].