| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] for [noun] | 119571 |
|
| 2 | [noun] for [noun sg] | 64479 |
|
| 3 | [noun] [prep] research | 2652 |
|
| 4 | [noun] for research | 460 |
|
