| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] carried out [prep] the | 35 |
|
| 2 | has be carried out [prep] the | 35 |
|
| 3 | has been carried out [prep] the | 35 |
|
| 4 | has [be] carried out [prep] the | 35 |
|
| 5 | has [be] carried out on the | 12 |
|
| 6 | has [be] carried out in the | 8 |
|
