| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [verb] [pron] happen to [pron] | 53 |
|
| 2 | [not/n't] [verb] [pron] [verb] to [pos pn] | 29 |
|
| 3 | [adv] [verb] [pron] happen to [pos pn] | 9 |
|
| 4 | [not/n't] [verb] [pron] happen [prep] [pos pn] | 8 |
|
