| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [noun] [noun] for | 2176 |
|
| 2 | research [coord] [noun] [noun] | 483 |
|
| 3 | research [noun] [noun] for | 13 |
|
| 4 | research [coord] [noun] for | 10 |
|
