| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had happen the previous | 6 |
|
| 2 | have happen the previous | 6 |
|
| 3 | [verb] happen the previous | 6 |
|
| 4 | [vb past] happen the previous | 6 |
|
| 5 | happen [prep] the previous | 7 |
|
| 6 | happen [prep] the previous | 7 |
|
| 7 | happen the previous [noun sg] | 7 |
|
| 8 | happen the previous [noun] | 7 |
|
