| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] studies have [vb pp] a [adj] | 15 |
|
| 2 | [adj] studies have [vb pp] a [adj] | 9 |
|
| 3 | [det] studies have [vb pp] a [adj] | 6 |
|
| 4 | studies have [vb pp] [conj] a [adj] | 5 |
|
| 5 | studies have [vb pp] [that] a [adj] | 5 |
|
| 6 | studies have [vb pp] that a [adj] | 5 |
|
| 7 | studies have [vb pp] that a [adj] | 5 |
|
| 8 | studies have [vb pp] a [adj] [noun] | 18 |
|
| 9 | studies have [vb pp] a [adj] [noun sg] | 18 |
|
