| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] has been establish | 156 |
|
| 2 | [noun sg] has be establish | 156 |
|
| 3 | [noun sg] has [been] establish | 156 |
|
| 4 | [noun sg] has [be] established | 151 |
|
| 5 | relationship has [be] establish | 9 |
|
| 6 | [noun sg] has [be] to establish | 5 |
|
