| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [was/were] [vb pp] at the time | 9 |
|
| 2 | they be [vb pp] at the time | 9 |
|
| 3 | they were [vb pp] at the time | 9 |
|
| 4 | they [be] [vb pp] at the time | 8 |
|
