| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this may [not/n't] [vb infin] [prep] [be] | 6 |
|
| 2 | this may [not/n't] [vb infin] [prep] be | 6 |
|
| 3 | this may [not/n't] [vb infin] [prep] [be] | 6 |
|
| 4 | this may [not/n't] [vb infin] [prep] be | 6 |
|
