| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [verb] at | 529 |
|
| 2 | has been [vb pp] at | 454 |
|
| 3 | has been [v-ing] at | 73 |
|
| 4 | has been look at | 25 |
|
| 5 | has been estimate at | 19 |
|
| 6 | has been estimated at | 19 |
|
| 7 | has been looking at | 17 |
|
| 8 | has been set at | 13 |
|
| 9 | has been set at | 13 |
|
| 10 | has been arrive at | 12 |
|
| 11 | has been make at | 11 |
|
| 12 | has been made at | 11 |
|
| 13 | has been discuss at | 11 |
|
| 14 | has been find at | 11 |
|
| 15 | has been arrived at | 11 |
|
| 16 | has been found at | 11 |
|
| 17 | has been discussed at | 11 |
|
| 18 | has been held at | 10 |
|
| 19 | has been hold at | 10 |
|
| 20 | has been put at | 9 |
|
| 21 | has been put at | 9 |
|
| 22 | has been installed at | 8 |
|
| 23 | has been install at | 8 |
|
| 24 | has been use at | 8 |
|
| 25 | has been recorded at | 8 |
|
| 26 | has been built at | 8 |
|
| 27 | has been build at | 8 |
|
| 28 | has been used at | 8 |
|
| 29 | has been record at | 8 |
|
| 30 | has been work at | 7 |
|
