| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [pron] [vb mod] [be] [vb pp] | 656 |
|
| 2 | [conj] [Wh det] [vb mod] [be] [vb pp] | 238 |
|
| 3 | but [Wh det] [vb mod] [be] [verb] | 34 |
|
| 4 | but [Wh det] [modal v] [be] [vb pp] | 33 |
|
