Question

1. Don't forget inviting/ to invite/ invite your husband to the office party
2. Don't forget setting/ to set/ set you alarm clock
3. Dear Fernando, I (write) to say thank you for the present you sent me
4. Beth (have) her car for over eight years, and she's still very happy with it

Answer 1

1 to invite
2 to set
3 am writing
4 has had