| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [was/were] [v-ing] at the [noun sg] | 29 |
|
| 2 | who was [v-ing] at the [noun] | 18 |
|
| 3 | who were [v-ing] at the [noun] | 14 |
|
| 4 | who [was/were] [v-ing] at the back | 5 |
|
| 5 | who [was/were] sitting at the [noun] | 5 |
|
| 6 | who [was/were] [v-ing] at the back | 5 |
|
