| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | people have been | 464 |
|
| 2 | staff have been | 80 |
|
| 3 | data have been | 36 |
|
| 4 | species have been | 34 |
|
| 5 | works have been | 25 |
|
| 6 | sales have been | 22 |
|
| 7 | fish have been | 16 |
|
| 8 | statistics have been | 11 |
|
| 9 | media have been | 9 |
|
| 10 | aircraft have been | 8 |
|
| 11 | pair have been | 7 |
|
| 12 | series have been | 6 |
|
| 13 | means have been | 6 |
|
| 14 | salmon have been | 5 |
|
