| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it must [not/n't] be [vb pp] | 16 |
|
| 2 | [coord] it must [not/n't] be [vb pp] | 12 |
|
| 3 | but it must [not/n't] be [vb pp] | 11 |
|
| 4 | but it must [not/n't] be [vb pp] | 11 |
|
| 5 | it must [not/n't] be [vb pp] [conj] | 32 |
|
| 6 | it must [not/n't] be [vb pp] that | 29 |
|
| 7 | it must [not/n't] be [vb pp] that | 29 |
|
| 8 | it must [not/n't] be [vb pp] [that] | 29 |
|
| 9 | it must [not/n't] be [vb pp] [prep] | 14 |
|
| 10 | it must [not/n't] be [vb pp] [prep] | 14 |
|
| 11 | it must [not/n't] be [vb pp] [adv] | 6 |
|
| 12 | it must [not/n't] be [vb pp] that | 5 |
|
| 13 | it must [not/n't] be [vb pp] [adj] | 5 |
|
| 14 | it must [not/n't] be [vb pp] [det] | 5 |
|
| 15 | it must [not/n't] be [vb pp] [adv] | 5 |
|
| 16 | it must [not/n't] be [vb pp] that | 5 |
|
