| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | survey carried out by the [adj] | 8 |
|
| 2 | survey carry out by the [adj] | 8 |
|
| 3 | survey [vb pp] out by the [adj] | 8 |
|
| 4 | survey [verb] out by the [adj] | 8 |
|
