| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] patients have been | 20 |
|
| 2 | [det] patients [vb past] been | 13 |
|
| 3 | [det] patients had been | 13 |
|
| 4 | these patients [verb] been | 11 |
|
| 5 | [det] patients have been | 5 |
|
| 6 | [det] patients [vb base] been | 5 |
|
