| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [vb pp] at [det] time | 36 |
|
| 2 | was [vb pp] at that time | 18 |
|
| 3 | was [vb pp] at this time | 11 |
|
| 4 | was [vb pp] at some time | 5 |
|
