| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [adv] [vb pp] at the time | 67 |
|
| 2 | [was/were] [adv] [vb pp] at the time | 67 |
|
| 3 | was [adv] [vb pp] at the time | 50 |
|
| 4 | [was/were] [adv] [vb pp] at the time | 49 |
|
| 5 | [was/were] not [vb pp] at the time | 18 |
|
| 6 | [was/were] [not/n't] [vb pp] at the time | 18 |
|
| 7 | were [adv] [vb pp] at the time | 17 |
|
| 8 | [was/were] not [vb pp] at the time | 15 |
|
| 9 | [was/were] widely [vb pp] at the time | 7 |
|
| 10 | [was/were] widely [vb pp] at the time | 7 |
|
| 11 | [was/were] properly [vb pp] at the time | 5 |
|
| 12 | [was/were] [adv] investigated at the time | 5 |
|
| 13 | [was/were] properly [vb pp] at the time | 5 |
|
