| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] out [noun] on | 49 |
|
| 2 | [to-vb] out [noun pl] on | 28 |
|
| 3 | to carry out [noun] on | 23 |
|
| 4 | [to-vb] out [noun sg] on | 19 |
|
| 5 | [to-vb] out research on | 5 |
|
| 6 | [to-vb] out research on | 5 |
|
