| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [adj] [pron] could | 84 |
|
| 2 | [vb past] [adj] i [vb mod] | 31 |
|
| 3 | [vb past] [adj] i [modal v] | 31 |
|
| 4 | [verb] [adj] i could | 28 |
|
| 5 | [vb past] [adj] i could | 15 |
|
