| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] may [be] | 1633 |
|
| 2 | [coord] may [be] | 903 |
|
| 3 | but [vb mod] [be] | 794 |
|
| 4 | but [modal v] [be] | 794 |
|
| 5 | but may [be] | 148 |
|
| 6 | but may [be] | 148 |
|
| 7 | but may [be] | 148 |
|
