| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it may be [vb pp] | 1101 |
|
| 2 | may [not/n't] be [vb pp] | 506 |
|
| 3 | it may [not/n't] be | 390 |
|
| 4 | it [not/n't] be [vb pp] | 19 |
|
