| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | study carried out [prep] [noun prp] | 23 |
|
| 2 | study carried [adv prt] [prep] [noun prp] | 16 |
|
| 3 | study carried [adv prt] in [noun prp] | 11 |
|
| 4 | study carried [adv prt] by [noun prp] | 10 |
|
| 5 | studies carried [adv prt] [prep] [noun prp] | 7 |
|
