| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been president [prep] the [noun] | 13 |
|
| 2 | [vb past] been president of the [noun] | 13 |
|
| 3 | [vb past] been president [prep] the [noun] | 13 |
|
| 4 | [vb past] been president of the [noun] | 13 |
|
| 5 | had been president [prep] the [noun] | 12 |
|
| 6 | [vb past] been president [prep] the [noun sg] | 7 |
|
