| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] [prep] [art] [num ord] time | 156 |
|
| 2 | [was/were] [verb] [prep] a [num ord] [noun] | 89 |
|
| 3 | [was/were] [verb] [prep] a [adj] time | 37 |
|
| 4 | [be] [verb] [prep] a [num ord] time | 10 |
|
