| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] which has [vb pp] a [noun] | 42 |
|
| 2 | [noun] [Wh det] has [vb pp] a [noun sg] | 41 |
|
| 3 | [noun sg] [Wh det] has [vb pp] a [noun] | 35 |
|
| 4 | [noun] [Wh det] has become a [noun] | 8 |
|
