| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must [vb infin] [noun prp] [noun prp] | 59 |
|
| 2 | [pron] must be [noun prp] [noun prp] | 47 |
|
| 3 | [pron] must [vb infin] be [noun prp] | 30 |
|
| 4 | must [vb infin] be [noun prp] [noun prp] | 13 |
|
