| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [modal v] not [verb] [prep] | 2117 |
|
| 2 | i [vb mod] not [verb] [prep] | 2117 |
|
| 3 | [pron] could not [verb] [prep] | 1348 |
|
| 4 | i could [adv] [verb] [prep] | 552 |
|
| 5 | i could not [verb] [prep] | 397 |
|
