| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | survey carried out by the [noun] | 20 |
|
| 2 | survey [vb pp] out by the [noun] | 20 |
|
| 3 | survey [vb pp] out by the [noun] | 15 |
|
| 4 | survey [vb pp] out by the [noun sg] | 13 |
|
| 5 | surveys [vb pp] out by the [noun] | 5 |
|
