| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [was/were] [v-ing] at the time | 19 |
|
| 2 | [noun pl] [was/were] [v-ing] at the time | 10 |
|
| 3 | [noun] was [v-ing] at the time | 10 |
|
| 4 | [noun] were [v-ing] at the time | 9 |
|
| 5 | [noun prp] [was/were] [v-ing] at the time | 7 |
|
