| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [conj] could | 177 |
|
| 2 | [adv] [coord] could | 112 |
|
| 3 | [adv] but [modal v] | 100 |
|
| 4 | [adv] but [vb mod] | 100 |
|
| 5 | [adv] but could | 31 |
|
| 6 | [adv] but could | 25 |
|
| 7 | [adv] but could | 25 |
|
