| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [vb pp] to be | 279 |
|
| 2 | has been show to be | 100 |
|
| 3 | has been shown to be | 100 |
|
| 4 | has been find to be | 54 |
|
| 5 | has been found to be | 54 |
|
| 6 | has been reported to be | 15 |
|
| 7 | has been report to be | 15 |
|
| 8 | has been hold to be | 14 |
|
| 9 | has been held to be | 14 |
|
| 10 | has been design to be | 11 |
|
| 11 | has been designed to be | 11 |
|
| 12 | has been prove to be | 10 |
|
| 13 | has been say to be | 8 |
|
| 14 | has been said to be | 8 |
|
| 15 | has been proved to be | 7 |
|
| 16 | has been assume to be | 6 |
|
| 17 | has been know to be | 6 |
|
| 18 | has been known to be | 6 |
|
| 19 | has been assumed to be | 6 |
|
| 20 | has been consider to be | 5 |
|
| 21 | has been seen to be | 5 |
|
| 22 | has been see to be | 5 |
|
| 23 | has been considered to be | 5 |
|
