| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [be] [verb] at the time | 12 |
|
| 2 | what [be] [verb] at the time | 12 |
|
| 3 | what be [verb] at the time | 12 |
|
| 4 | what [be] [verb] at the time | 12 |
|
| 5 | what was [verb] at the time | 11 |
|
| 6 | what [was/were] [verb] at the time | 11 |
|
| 7 | what [be] [vb pp] at the time | 8 |
|
