| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] shown that [adj] [noun] | 201 |
|
| 2 | research [verb] that [adj] [noun] | 46 |
|
| 3 | research [verb] shown that [noun] | 30 |
|
| 4 | research [verb] shown that [adj] | 27 |
|
| 5 | research [verb] shown [adj] [noun] | 5 |
|
