| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [verb] at [det] time | 62 |
|
| 2 | was [v-ing] at [det] [noun] | 44 |
|
| 3 | [be] [v-ing] at [det] time | 32 |
|
| 4 | be [v-ing] at [det] time | 32 |
|
| 5 | was [v-ing] [prep] [det] time | 25 |
|
| 6 | was [v-ing] [prep] [det] time | 25 |
|
| 7 | [was/were] [v-ing] at [det] time | 23 |
|
| 8 | was [v-ing] at [adj] time | 20 |
|
| 9 | was [v-ing] at [det] time | 19 |
|
