| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] a [num ord] | 151 |
|
| 2 | [prep] a [num ord] time | 151 |
|
| 3 | [vb past] [prep] a time | 133 |
|
| 4 | [vb past] a [num ord] time | 21 |
|
| 5 | [vb past] [prep] [num ord] time | 7 |
|
