| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | as happen [num ord] [noun sg] | 5 |
|
| 2 | as happened [num ord] [noun] | 5 |
|
| 3 | as happen last [noun] | 5 |
|
| 4 | as happen [num ord] [noun] | 5 |
|
