| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [adv] have [be] | 521 |
|
| 2 | [adv] have to [be] | 310 |
|
| 3 | may have to [be] | 258 |
|
| 4 | may [adv] have to | 27 |
|
