| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [not/n't] be | 4548 |
|
| 2 | it may [adv] be | 1377 |
|
| 3 | [pron] may [not/n't] be | 952 |
|
| 4 | it may [not/n't] [be] | 390 |
|
| 5 | it may [not/n't] [be] | 390 |
|
| 6 | it may [not/n't] be | 390 |
|
