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