| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [adv] [vb pp] at the [noun] | 253 |
|
| 2 | [be] [adv] [vb pp] at the time | 90 |
|
| 3 | [was/were] [adv] [vb pp] [prep] the time | 90 |
|
| 4 | [was/were] [adv] [vb pp] [prep] the time | 90 |
|
| 5 | [was/were] [adv] [verb] at the time | 74 |
|
| 6 | [was/were] [adv] [vb pp] at [art] time | 68 |
|
| 7 | [was/were] [adv] [vb pp] at the time | 67 |
|
