| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [vb past] not happen | 96 |
|
| 2 | it [vb past] not happen | 82 |
|
| 3 | it [vb past] not happen | 82 |
|
| 4 | [pron] [vb past] not happen | 79 |
|
| 5 | [pron] did not happen | 79 |
|
| 6 | [pron] [vb past] n't happen | 75 |
|
| 7 | [pron] [vb past] not happen | 26 |
|
| 8 | [pron] had not happen | 22 |
|
| 9 | [pron] [vb past] not happened | 22 |
|
| 10 | they [vb past] not happen | 7 |
|
| 11 | they [vb past] not happen | 7 |
|
