| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] [prep] be [adj] | 235 |
|
| 2 | been [vb pp] to [be] [adj] | 235 |
|
| 3 | been shown [prep] [be] [adj] | 96 |
|
| 4 | been found [prep] [be] [adj] | 45 |
|
| 5 | been [vb pp] [prep] [be] effective | 22 |
|
| 6 | been held [prep] [be] [adj] | 10 |
|
| 7 | been designed [prep] [be] [adj] | 9 |
|
| 8 | been [vb pp] [prep] [be] present | 8 |
|
| 9 | been reported [prep] [be] [adj] | 8 |
|
| 10 | been [vb pp] [prep] [be] important | 7 |
|
| 11 | been [vb pp] [prep] [be] useful | 5 |
|
| 12 | been assumed [prep] [be] [adj] | 5 |
|
