| must(verb, consider, leave, allow, bear) |
| ought to(verb, expression, phrasal verb, bear, endure) |
| have(verb, bear, endure, want, need) |
| ought(verb, consider, leave, allow, have) |
| would(verb, bear, must) |
| have to(verb, expression, phrasal verb, bear, endure) |
| have got to(verb, expression, idiom, phrasal verb, have) |
| had better(verb, expression, idiom, bear, must) |
| need(verb, consider, leave, allow, bear) |
| need to(verb, expression, phrasal verb) |
| owe |
| may(verb, concede) |
| be required(verb, have, want, need, must) |
| put up with(verb, expression, idiom, phrasal verb, consider) |
| be obliged to(verb, expression, idiom, want, need) |
| be necessary(verb, need, require, obligate, must) |
| be compelled(verb, have, want, need, must) |
| be compelled to(verb, consider, leave, allow, bear) |
| be destined(verb, have, want, need, must) |
| be directed(verb, have, want, need, must) |