| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [adv] to | 912 |
|
| 2 | [adv] happen to | 394 |
|
| 3 | [not/n't] [adv] happen | 99 |
|
| 4 | [not/n't] happen to | 87 |
|
