| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | research and [noun] [noun] [prep] the | 27 |
|
| 2 | research and [noun sg] [noun] [prep] the | 25 |
|
| 3 | research and development [noun] [prep] the | 21 |
|
| 4 | research and development [noun] [prep] the | 21 |
|
| 5 | research and [noun] [noun sg] [prep] the | 19 |
|
| 6 | research and [noun] [noun] of the | 8 |
|
| 7 | research and [noun] [noun pl] [prep] the | 7 |
|
| 8 | research and [noun] [noun] for the | 6 |
|
