| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] n't [adv] [verb] | 8295 |
|
| 2 | [verb] n't [adv] [vb infin] | 7008 |
|
| 3 | [verb] [adv] [adv] happen | 50 |
|
| 4 | [verb] not [adv] happen | 49 |
|
| 5 | [verb] [not/n't] [adv] happen | 49 |
|
| 6 | [verb] n't [adv] happen | 33 |
|
| 7 | [verb] n't [adv] happen | 30 |
|
