| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [prep] | 4108 |
|
| 2 | [vb past] member [prep] | 146 |
|
| 3 | been member [prep] | 49 |
|
| 4 | [vb past] been member | 18 |
|
