| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb infin] [conj] [art] | 1220 |
|
| 2 | must [adv] [vb infin] [art] | 556 |
|
| 3 | must [vb infin] [conj] [art] | 366 |
|
| 4 | must [adv] [vb infin] [conj] | 260 |
|
