| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [verb] been | 84838 |
|
| 2 | [noun pl] [verb] been | 25216 |
|
| 3 | study [verb] been | 211 |
|
| 4 | studies [verb] be | 147 |
|
| 5 | studies [verb] [be] | 147 |
|
| 6 | studies [verb] [been] | 140 |
|
