20 to want / want / wanted / wanting
21 to see / see / saw / seeing
22 to happen / happen / happened / happening
23 to hope / hope / hoped / hoping
24 to forget / forget / forgot / forgetting
25 to eat / eat / ate / eating
26 to lock / lock / locked / locking
27 to celebrate / celebrate / celebrated / celebrating
28 to argue / argue / argued / arguing
29 to worry / worry / worried / worrying