| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] carry [adv prt] a [adj] study | 8 |
|
| 2 | [verb] carry out a [adj] study | 8 |
|
| 3 | [verb] carry [adv prt] a [adj] study | 8 |
|
| 4 | [verb] carry [adv prt] a [adj] study | 6 |
|
