| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [adv] been reported in | 26 |
|
| 2 | has [adv] been reported [prep] | 23 |
|
| 3 | have also been reported [prep] | 22 |
|
| 4 | have [adv] been reported [prep] | 19 |
|
| 5 | have recently been reported [prep] | 6 |
|
| 6 | have previously been reported [prep] | 5 |
|
| 7 | have [adv] been reported to | 5 |
|
