| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] could [not/n't] [verb] | 1381 |
|
| 2 | could [not/n't] [verb] i | 147 |
|
| 3 | [noun prp] could [verb] i | 12 |
|
| 4 | [noun prp] [not/n't] [verb] i | 5 |
|
