| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [ex0] [vb mod] [be] | 459 |
|
| 2 | but [ex0] [modal v] [be] | 459 |
|
| 3 | but [pron] must [be] | 378 |
|
| 4 | [conj] [ex0] must [be] | 316 |
|
| 5 | but [ex0] must [be] | 57 |
|
