| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb infin] [pron] happened to [pos pn] | 5 |
|
| 2 | not [vb infin] [pron] happened to [pos pn] | 5 |
|
| 3 | [not/n't] [vb infin] [pron] happened to [pos pn] | 5 |
|
| 4 | [vb infin] [pron] happened to [pos pn] [noun] | 5 |
|
