| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [adv] been [prep] | 1484 |
|
| 2 | have been reported [prep] | 283 |
|
| 3 | have [adv] been reported | 96 |
|
| 4 | [adv] been reported [prep] | 50 |
|
| 5 | have [adv] reported [prep] | 10 |
|
