| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [vb pp] [adv] at [art] time | 15 |
|
| 2 | [was/were] [vb pp] [adv prt] at [art] time | 10 |
|
| 3 | [was/were] [vb pp] [adv] at the time | 10 |
|
| 4 | [was/were] [vb pp] [adv] at the time | 10 |
|
| 5 | was [vb pp] [adv] at [art] time | 8 |
|
| 6 | were [vb pp] [adv] at [art] time | 7 |
|
| 7 | [was/were] [vb pp] [adv] at a time | 5 |
|
| 8 | [was/were] [vb pp] [adv] at a time | 5 |
|
| 9 | [was/were] [vb pp] [adv] at [art] time | 5 |
|
