| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but they have [vb pp] a [noun sg] | 15 |
|
| 2 | but they have [vb pp] a [noun] | 15 |
|
| 3 | but they 've [vb pp] a [noun] | 6 |
|
| 4 | but they have got a [noun] | 5 |
|
