| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | then it [modal v] [not/n't] be [vb pp] | 15 |
|
| 2 | then it [vb mod] [not/n't] be [vb pp] | 15 |
|
| 3 | then it [modal v] not be [vb pp] | 11 |
|
| 4 | then it can [not/n't] be [vb pp] | 6 |
|
