| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] had [been] establish | 42 |
|
| 2 | [noun pl] had been establish | 42 |
|
| 3 | [noun pl] had be establish | 42 |
|
| 4 | [noun pl] had [be] established | 41 |
|
