| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i could [verb] [pron] | 2056 |
|
| 2 | [vb past] i [verb] [pron] | 1767 |
|
| 3 | [vb past] i could [verb] | 306 |
|
| 4 | [vb past] could [verb] [pron] | 16 |
|
