| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [vb pp] president [prep] [art] | 79 |
|
| 2 | was [vb pp] as [prep] [art] | 27 |
|
| 3 | [vb pp] as president [prep] [art] | 14 |
|
| 4 | was [vb pp] as president [prep] | 13 |
|
