| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [verb] [prep] [noun] | 5083 |
|
| 2 | [vb past] been [verb] president [prep] | 14 |
|
| 3 | [vb past] been president [prep] [noun] | 9 |
|
| 4 | been [verb] president [prep] [noun] | 7 |
|
