| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] a [adj] | 2299 |
|
| 2 | could [verb] a [adj] | 1352 |
|
| 3 | could not [verb] a | 346 |
|
| 4 | could not [verb] [adj] | 195 |
|
