| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [adv] [v-ing] [prep] [art] | 1130 |
|
| 2 | [was/were] [adv] [v-ing] [prep] [art] | 1130 |
|
| 3 | [was/were] [adv] [verb] at [art] | 416 |
|
| 4 | [be] [adv] [v-ing] at [art] | 260 |
|
| 5 | [was/were] [adv] [v-ing] at [art] | 125 |
|
| 6 | [was/were] [adv] [v-ing] at [art] | 99 |
|
| 7 | [was/were] [adv] [v-ing] at [art] | 99 |
|
