| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [Wh det] [noun] | 489 |
|
| 2 | but [Wh det] [modal v] | 464 |
|
| 3 | [Wh det] [modal v] [noun] | 294 |
|
| 4 | but [modal v] [noun] | 52 |
|
