| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] may be [prep] | 66 |
|
| 2 | but [vb mod] be [prep] | 31 |
|
| 3 | but [modal v] be [prep] | 31 |
|
| 4 | but may be [prep] | 7 |
|
| 5 | but may [be] [prep] | 7 |
|
| 6 | but may be [prep] | 7 |
|
| 7 | but may be [prep] | 7 |
|
| 8 | but may [be] [prep] | 7 |
|
