| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] [pron] could [adv] | 576 |
|
| 2 | but [pron] [vb past] [pron] [adv] | 536 |
|
| 3 | but [pron] [vb past] [pron] could | 83 |
|
| 4 | but [pron] [pron] could [adv] | 15 |
|
| 5 | but [vb past] [pron] could [adv] | 15 |
|
