| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [pron] [noun] could [adv] be | 9 |
|
| 2 | but [pron] [noun] could [adv] be | 5 |
|
| 3 | but [pron] [noun] could be [vb pp] | 7 |
|
| 4 | but [pron] [noun] could be [verb] | 7 |
|
