| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] i could [verb] | 437 |
|
| 2 | [vb base] i could [vb infin] | 437 |
|
| 3 | [vb base] i [vb mod] do | 141 |
|
| 4 | [vb base] i [modal v] do | 141 |
|
| 5 | [vb base] [pron] could do | 106 |
|
| 6 | [verb] i could do | 96 |
|
| 7 | [vb base] i could do | 44 |
|
| 8 | [vb base] i could do | 44 |
|
