| have(verb, want, need, must, should) |
| have got to(verb, expression, idiom, phrasal verb, have) |
| have no choice(verb, expression, idiom, have, want) |
| is becoming(verb, expression, must, should, requires) |
| is fitting(verb, expression, must, should, requires) |
| is logical(verb, expression, must, should, requires) |
| is natural(verb, expression, must, should, requires) |
| is necessary(verb, expression, must, should, requires) |
| is reasonable(verb, expression, must, should, requires) |
| is responsible for(verb, expression, idiom, must, should) |
| may |
| must needs(verb, expression, have, want, need) |
| ought(verb, have, bear, endure, want) |
| ought to(verb, expression, phrasal verb, bear, need) |
| owe |
| pushed to the wall(verb, expression, idiom, have, want) |
| requires(verb, must, should, behoves) |
| shall |
| would(bear, must, should) |
| acquire |