| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must have be [noun prp] [noun prp] | 8 |
|
| 2 | [pron] must [verb] been [noun prp] [noun prp] | 8 |
|
| 3 | [pron] must have be [noun prp] [noun prp] | 8 |
|
| 4 | [pron] must [vb infin] be [noun prp] [noun prp] | 8 |
|
| 5 | it must [verb] be [noun prp] [noun prp] | 7 |
|
| 6 | [pers pn] must [verb] be [noun prp] [noun prp] | 7 |
|
| 7 | it must [verb] be [noun prp] [noun prp] | 7 |
|
