| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [was/were] [v-ing] at [art] | 70 |
|
| 2 | [noun pl] that [was/were] [v-ing] [art] | 22 |
|
| 3 | that [was/were] [v-ing] at [art] | 11 |
|
| 4 | [noun pl] that [was/were] [v-ing] at | 7 |
|
