| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have been a [noun sg] | 102 |
|
| 2 | who had been a [noun] | 81 |
|
| 3 | who has been a [noun] | 15 |
|
| 4 | who have been a member | 12 |
|
| 5 | who have been a member | 12 |
|
| 6 | who have been a friend | 11 |
|
| 7 | who have been a friend | 11 |
|
