| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [pron] [adv] | 15504 |
|
| 2 | must [vb infin] [pron] | 4239 |
|
| 3 | must [vb infin] [adv] | 1512 |
|
| 4 | must [pron] [adv] | 28 |
|
