| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | studies [conj] have [verb] [noun sg] | 5 |
|
| 2 | studies [conj] have [verb] [noun] | 5 |
|
| 3 | studies that have [verb] [noun] | 5 |
|
| 4 | studies [that] have [verb] [noun] | 5 |
|
| 5 | studies [conj] have [vb pp] [noun] | 5 |
|
| 6 | studies that have [verb] [noun] | 5 |
|
