| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | study carried out [prep] the [noun] | 14 |
|
| 2 | study [vb pp] out [prep] the [noun] | 14 |
|
| 3 | study [vb pp] out [prep] the [noun sg] | 9 |
|
| 4 | study [vb pp] out by the [noun] | 5 |
|
| 5 | study [vb pp] out by the [noun] | 5 |
|
