| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | developed a [noun] [noun sg] | 43 |
|
| 2 | developed a [noun sg] [noun] | 40 |
|
| 3 | developed a [noun] system | 5 |
|
| 4 | developed a [noun] system | 5 |
|
