| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] [adv] [adv] [subord] | 374 |
|
| 2 | could not [verb] [adv] [adv] | 157 |
|
| 3 | could not [verb] [adv] [subord] | 110 |
|
| 4 | could [verb] [adv] [adv] [subord] | 77 |
|
| 5 | could not [verb] [adv] [subord] | 72 |
|
