| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] not happen [prep] | 43 |
|
| 2 | do not happen [prep] | 43 |
|
| 3 | [vb past] not happen [prep] | 21 |
|
| 4 | did not happen [prep] | 21 |
|
| 5 | does not happen [prep] | 16 |
|
| 6 | [vb -s] not happen [prep] | 16 |
|
| 7 | [verb] not happen in | 13 |
|
| 8 | [verb] not happen in | 13 |
|
| 9 | [verb] not happen to | 7 |
|
| 10 | [verb] not happen to | 7 |
|
| 11 | [vb base] not happen [prep] | 6 |
|
| 12 | do not happen [prep] | 6 |
|
