| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i could [adv] [vb infin] | 5581 |
|
| 2 | [subord] i could [vb infin] | 1176 |
|
| 3 | [subord] i could [adv] | 553 |
|
| 4 | [subord] could [adv] [vb infin] | 18 |
|
