| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [pron] [verb] been | 11622 |
|
| 2 | [noun pl] [pron] [verb] been | 3881 |
|
| 3 | study [pron] [verb] been | 19 |
|
| 4 | studies [pron] [verb] [be] | 14 |
|
| 5 | studies [pron] [verb] be | 14 |
|
| 6 | studies [pron] [verb] [been] | 13 |
|
