| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [is] [v-ing] a [noun sg] | 61 |
|
| 2 | who is [verb] a [noun sg] | 60 |
|
| 3 | who 's [verb] a [noun sg] | 22 |
|
| 4 | who [is] [vb pp] a [noun sg] | 16 |
|
| 5 | who [is] [to-vb] a [noun sg] | 5 |
|
