| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] for a [num ord] time | 8 |
|
| 2 | [be] [vb pp] for a [num ord] time | 7 |
|
| 3 | was [verb] for a [num ord] time | 5 |
|
| 4 | [was/were] [verb] for a [num ord] time | 5 |
|
