| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] to be | 747 |
|
| 2 | been shown [prep] be | 222 |
|
| 3 | been found [prep] be | 165 |
|
| 4 | been held [prep] be | 30 |
|
| 5 | been reported [prep] be | 26 |
|
| 6 | been considered [prep] be | 21 |
|
| 7 | been designed [prep] be | 17 |
|
| 8 | been thought [prep] be | 16 |
|
| 9 | been proved [prep] be | 15 |
|
| 10 | been assumed [prep] be | 13 |
|
| 11 | been expected [prep] be | 13 |
|
| 12 | been said [prep] be | 13 |
|
| 13 | been known [prep] be | 12 |
|
| 14 | been seen [prep] be | 10 |
|
| 15 | been estimated [prep] be | 6 |
|
| 16 | been taken [prep] be | 5 |
|
| 17 | been trained [prep] be | 5 |
|
| 18 | been proven [prep] be | 5 |
|
| 19 | been ordered [prep] be | 5 |
|
| 20 | been demonstrated [prep] be | 5 |
|
| 21 | been felt [prep] be | 5 |
|
| 22 | been deemed [prep] be | 5 |
|
| 23 | been allowed [prep] be | 5 |
|
