| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] at the [noun] | 658 |
|
| 2 | [was/were] [v-ing] at the [noun sg] | 549 |
|
| 3 | [was/were] [verb] at the time | 208 |
|
| 4 | [be] [v-ing] at the time | 84 |
|
| 5 | [was/were] [v-ing] at [art] time | 71 |
|
| 6 | [was/were] [v-ing] at [art] time | 71 |
|
| 7 | [was/were] [v-ing] [prep] the time | 70 |
|
| 8 | [was/were] [v-ing] [prep] the time | 70 |
|
| 9 | [was/were] [v-ing] at the time | 66 |
|
| 10 | [was/were] [v-ing] at the time | 65 |
|
| 11 | [was/were] [v-ing] at the time | 65 |
|
