| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] have be [vb pp] president | 8 |
|
| 2 | [noun prp] [verb] been [vb pp] president | 8 |
|
| 3 | [noun prp] [vb past] be [vb pp] president | 5 |
|
| 4 | [noun prp] had be [vb pp] president | 5 |
|
