| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | carry out [noun] | 778 |
|
| 2 | carry [adv prt] research | 74 |
|
| 3 | carry out research | 74 |
|
| 4 | carry [adv] research | 74 |
|
| 5 | [verb] out research | 74 |
|
