| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] was [v-ing] at the | 241 |
|
| 2 | was [v-ing] at the time | 43 |
|
| 3 | [noun] [v-ing] at the time | 34 |
|
| 4 | [noun] was at the time | 16 |
|
