| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have be [verb] president | 5 |
|
| 2 | who have be president [prep] | 9 |
|
| 3 | who have be president [prep] | 9 |
|
| 4 | who have be president of | 8 |
|
| 5 | who have be president of | 8 |
|
