| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not have be | 2103 |
|
| 2 | must [adv] have be | 176 |
|
| 3 | must not [vb infin] be | 29 |
|
| 4 | must not [verb] be | 29 |
|
| 5 | must not have be | 23 |
|
| 6 | must not have [be] | 23 |
|
