| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [vb infin] [letter] | 15 |
|
| 2 | [pers pn] could [verb] [letter] | 13 |
|
| 3 | i could [verb] [letter] | 7 |
|
| 4 | i could [verb] [letter] | 7 |
|
