| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] have been members [prep] | 9 |
|
| 2 | [Wh pn] [verb] been members of | 8 |
|
| 3 | who [verb] been members [prep] | 7 |
|
| 4 | [Wh pn] have been members [prep] | 5 |
|
| 5 | [Wh pn] [vb base] been members [prep] | 5 |
|
