| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [subord] [pron] could [verb] [pron] | 101 |
|
| 2 | [verb] [subord] i could [verb] [pron] | 61 |
|
| 3 | [vb past] [subord] i [modal v] [verb] [pron] | 36 |
|
| 4 | [vb past] [conj] i could [verb] [pron] | 34 |
|
