| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have been [adj] [noun sg] | 41 |
|
| 2 | who [vb past] been [adj] [noun sg] | 36 |
|
| 3 | who had been [adj] [noun sg] | 36 |
|
| 4 | who [verb] been [adj] minister | 15 |
|
| 5 | who [verb] been prime [noun sg] | 9 |
|
| 6 | who [verb] been foreign [noun sg] | 5 |
|
| 7 | who [verb] been [adj] secretary | 5 |
|
