| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] a [adj] time | 1825 |
|
| 2 | [vb past] a [adj] time | 504 |
|
| 3 | happen a [adj] time | 15 |
|
| 4 | happened a [adj] time | 13 |
|
| 5 | happened a [adj] [noun] | 10 |
|
| 6 | happened [art] [adj] time | 9 |
|
| 7 | happened [art] [adj] time | 9 |
|
| 8 | happened a [adj] time | 8 |
|
