| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] i could [not/n't] [verb] | 1140 |
|
| 2 | i could [not/n't] [verb] [pos pn] | 179 |
|
| 3 | [conj] i could [verb] [pos pn] | 101 |
|
| 4 | [conj] could [not/n't] [verb] [pos pn] | 38 |
|
