| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] could [vb infin] [pron] | 308 |
|
| 2 | but [modal v] [vb infin] [pron] | 214 |
|
| 3 | but [vb mod] [vb infin] [pron] | 214 |
|
| 4 | [coord] could [vb infin] [pron] | 181 |
|
| 5 | but could [vb infin] [pron] | 51 |
|
| 6 | but could [vb infin] [pron] | 51 |
|
| 7 | but could [verb] [pron] | 51 |
|
