| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [noun sg] i could [adv] [verb] | 8 |
|
| 2 | [Wh det] [noun sg] i could [not/n't] [verb] | 5 |
|
| 3 | [Wh det] [noun sg] i could not [verb] | 5 |
|
