| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [modal v] [not/n't] be | 1722 |
|
| 2 | [pron] may [not/n't] be | 952 |
|
| 3 | they may [adv] be | 337 |
|
| 4 | they may [not/n't] [be] | 125 |
|
| 5 | they may [not/n't] [be] | 125 |
|
| 6 | they may [not/n't] be | 125 |
|
