| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] member [prep] | 21 |
|
| 2 | [vb base] been member [prep] | 21 |
|
| 3 | [vb base] [been] member of | 20 |
|
| 4 | [vb base] [been] members [prep] | 20 |
|
