| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | authorities have [been] | 100 |
|
| 2 | authorities have been | 100 |
|
| 3 | authorities have be | 100 |
|
| 4 | authorities have [be] | 71 |
|
| 5 | authorities had [be] | 16 |
|
| 6 | authorities has [be] | 12 |
|
