| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] [adv] [adv] [subord] | 372 |
|
| 2 | could not [verb] [adv] [adv] | 143 |
|
| 3 | could [verb] [adv] [adv] [subord] | 77 |
|
| 4 | could not [verb] [adv] [subord] | 72 |
|
