| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | survey carried out [prep] the [noun] | 21 |
|
| 2 | survey carried out by the [noun] | 20 |
|
| 3 | survey carried out [prep] the [noun sg] | 19 |
|
| 4 | surveys carried out [prep] the [noun] | 6 |
|
| 5 | survey carried out [prep] the [noun prp] | 5 |
|
