| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [verb] [adv] [adv] [subord] | 430 |
|
| 2 | could [not/n't] [verb] [adv] [adv] | 216 |
|
| 3 | could [not/n't] [verb] [adv] [subord] | 110 |
|
| 4 | could [verb] [adv] [adv] [subord] | 96 |
|
| 5 | could [not/n't] [verb] [adv] [subord] | 72 |
|
