| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | carried [adv] [prep] the [noun] research | 6 |
|
| 2 | carry out [prep] the [noun] research | 6 |
|
| 3 | carry [adv prt] [prep] the [noun] research | 6 |
|
| 4 | carry out [prep] the [noun] research | 6 |
|
| 5 | carry [adv] by the [noun] research | 5 |
|
