| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | experiment [vb base] shown that [adj] [noun] | 5 |
|
| 2 | experiments [verb] shown that [adj] [noun] | 5 |
|
| 3 | experiment have shown that [adj] [noun] | 5 |
|
| 4 | experiment have shown that [adj] [noun] | 5 |
|
