| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | survey [vb pp] out by [noun] | 13 |
|
| 2 | survey [vb pp] out by [noun] | 13 |
|
| 3 | survey carried out by [noun] | 13 |
|
| 4 | survey [vb pp] out by [noun prp] | 8 |
|
| 5 | survey [vb pp] out by [noun sg] | 5 |
|
