| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [adv] at the [noun] | 427 |
|
| 2 | [was/were] [adv] at the [noun sg] | 389 |
|
| 3 | [be] [adv] at the time | 75 |
|
| 4 | [was/were] [adv] [prep] the time | 74 |
|
| 5 | [was/were] [adv] [prep] the time | 74 |
|
| 6 | [was/were] [adv] at the time | 53 |
|
| 7 | [was/were] [adv] at [art] time | 53 |
|
| 8 | [was/were] [adv] at the time | 53 |
|
