| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [was/were] [v-ing] for a | 14 |
|
| 2 | who was [v-ing] for a | 8 |
|
| 3 | who [was/were] looking for a | 6 |
|
| 4 | who were [v-ing] for a | 6 |
|
