| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i could [not/n't] [verb] | 4346 |
|
| 2 | could [not/n't] [verb] [conj] | 916 |
|
| 3 | i could [verb] [conj] | 358 |
|
| 4 | i could [not/n't] [conj] | 19 |
|
| 5 | i [not/n't] [verb] [conj] | 12 |
|
