| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [vb pp] [prep] a [adj] time | 108 |
|
| 2 | [verb] [vb pp] [prep] a [adj] time | 108 |
|
| 3 | [verb] [vb pp] at a [adj] [noun] | 81 |
|
| 4 | [verb] [vb pp] at a [adj] time | 38 |
|
| 5 | [verb] [verb] at a [adj] time | 16 |
|
| 6 | [verb] [vb pp] at [art] [adj] time | 15 |
|
| 7 | [verb] [vb pp] at a [adj] time | 7 |
|
