| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i could not [adv] [verb] | 258 |
|
| 2 | i could [adv] [verb] to | 97 |
|
| 3 | i could not [verb] to | 69 |
|
| 4 | could not [adv] [verb] to | 37 |
|
