| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] i could [verb] [pron] | 128 |
|
| 2 | [vb base] i [modal v] [verb] [indef pn] | 58 |
|
| 3 | [vb base] [pron] could [verb] [indef pn] | 25 |
|
| 4 | [verb] i could [verb] [indef pn] | 21 |
|
