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