| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | members have been | 100 |
|
| 2 | members [vb past] been | 51 |
|
| 3 | members had been | 51 |
|
| 4 | members [vb base] been | 41 |
|
| 5 | members have been | 41 |
|
| 6 | members [vb -s] been | 7 |
|
| 7 | members has been | 7 |
|
