| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | scientist have developed a [noun] | 7 |
|
| 2 | scientist have developed [art] [noun sg] | 7 |
|
| 3 | scientist have developed [art] [noun] | 7 |
|
| 4 | scientists have developed [art] [noun] | 6 |
|
| 5 | scientist have developed a [noun] | 6 |
|
| 6 | scientist have developed [art] [noun] | 5 |
|
