| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [adv] [vb infin] [det] | 284 |
|
| 2 | [adv] [adv] [vb infin] [det] | 274 |
|
| 3 | must [adv] [vb infin] [det] | 130 |
|
| 4 | must [adv] [adv] [vb infin] | 70 |
|
