| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [det] [is] not happen | 6 |
|
| 2 | [det] [is] not [verb] happen | 5 |
|
| 3 | [det] [is] not what happen | 5 |
|
| 4 | [det] [is] not [pron] happen | 5 |
|
| 5 | [det] [is] not what happen | 5 |
|
| 6 | [det] [is] not [Wh det] happen | 5 |
|
