| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that [was/were] [verb] at | 86 |
|
| 2 | that [was/were] [vb pp] at | 68 |
|
| 3 | that were [verb] at | 43 |
|
| 4 | that was [verb] at | 43 |
|
| 5 | that [was/were] [v-ing] at | 16 |
|
