| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] [adv] [adv] [conj] | 334 |
|
| 2 | could [verb] [adv] [adv] [conj] | 149 |
|
| 3 | could not [verb] [adv] [adv] | 93 |
|
| 4 | could not [verb] [adv] [conj] | 74 |
|
| 5 | could not [verb] [adv] [conj] | 46 |
|
