| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] [adv] [verb] | 1461 |
|
| 2 | [not/n't] [adv] [verb] i | 398 |
|
| 3 | could [adv] [verb] i | 205 |
|
| 4 | could [not/n't] [verb] i | 147 |
|
| 5 | could [not/n't] [adv] i | 7 |
|
