| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has be [vb pp] to be [adj] | 88 |
|
| 2 | has been [vb pp] [prep] be [adj] | 88 |
|
| 3 | has be shown [prep] be [adj] | 36 |
|
| 4 | has be found [prep] be [adj] | 17 |
|
| 5 | has be [vb pp] [prep] be effective | 13 |
|
| 6 | has be reported [prep] be [adj] | 5 |
|
| 7 | has be designed [prep] be [adj] | 5 |
|
| 8 | has be held [prep] be [adj] | 5 |
|
