| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] who at that time | 9 |
|
| 2 | who [was/were] at that time | 14 |
|
| 3 | who [be] at that time | 14 |
|
| 4 | who be at that time | 14 |
|
| 5 | who was at that time | 13 |
|
| 6 | who at that time be | 15 |
|
| 7 | who at that time [was/were] | 15 |
|
| 8 | who at that time [be] | 15 |
|
| 9 | who at that time was | 11 |
|
| 10 | who at that time [verb] | 9 |
|
| 11 | who at that time [vb past] | 9 |
|
