| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [was/were] [adv] [num] at the | 5 |
|
| 2 | who [was/were] [adv] [num] at the | 5 |
|
| 3 | who [was/were] [num] at the [noun] | 8 |
|
| 4 | who [was/were] [num] at the time | 8 |
|
| 5 | who [was/were] [num] at the time | 8 |
|
| 6 | who [was/were] [num] at the [noun sg] | 8 |
|
