| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [verb] it [adv] | 696 |
|
| 2 | must [vb infin] [verb] [pron] [adv] | 159 |
|
| 3 | must [vb infin] [verb] [pers pn] [adv] | 142 |
|
| 4 | must [vb infin] [verb] it [adv] | 61 |
|
| 5 | must [verb] [verb] it [adv] | 61 |
|
