| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb -s] taken a [noun] | 7 |
|
| 2 | [Wh pn] [vb -s] taken a [noun sg] | 6 |
|
| 3 | [Wh pn] has taken a [noun] | 6 |
|
