| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must [vb infin] | 19989 |
|
| 2 | [noun prp] must [vb infin] | 1302 |
|
| 3 | [noun prp] [pron] must | 259 |
|
| 4 | [noun prp] [pron] [vb infin] | 20 |
|
