| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [Wh pn] at that time | 9 |
|
| 2 | [Wh pn] be at that time | 14 |
|
| 3 | [Wh pn] [was/were] at that time | 14 |
|
| 4 | [Wh pn] [be] at that time | 14 |
|
| 5 | [Wh pn] was at that time | 13 |
|
| 6 | [Wh pn] [vb past] at that time | 5 |
|
| 7 | [Wh pn] [verb] at that time | 5 |
|
| 8 | [Wh pn] at that time be | 15 |
|
| 9 | [Wh pn] at that time [be] | 15 |
|
| 10 | [Wh pn] at that time [was/were] | 15 |
|
| 11 | [Wh pn] at that time was | 11 |
|
| 12 | [Wh pn] at that time [vb past] | 10 |
|
| 13 | [Wh pn] at that time [verb] | 10 |
|
