| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] was [verb] at the [noun] | 72 |
|
| 2 | [pron] was [verb] at the time | 56 |
|
| 3 | [Wh det] [be] [verb] at the time | 23 |
|
| 4 | [Wh det] be [verb] at the time | 23 |
|
| 5 | [Wh det] [was/were] [verb] at the time | 17 |
|
| 6 | [Wh det] was [verb] [prep] the time | 16 |
|
| 7 | [Wh det] was [verb] at [art] time | 13 |
|
| 8 | [Wh det] was [verb] at the time | 13 |
|
| 9 | [Wh det] was [verb] at [art] time | 13 |
|
