| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [subord] [verb] | 13 |
|
| 2 | [Wh pn] [subord] [v-ing] | 7 |
|
| 3 | [Wh pn] when [verb] | 7 |
|
| 4 | [Wh pn] [subord] [vb pp] | 6 |
|
