| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | patient who had been [verb] | 21 |
|
| 2 | patient who had been [vb pp] | 16 |
|
| 3 | [noun] who had been treated | 7 |
|
| 4 | patient who [verb] been treated | 6 |
|
| 5 | patient who have been treated | 6 |
|
| 6 | patient who had been treat | 5 |
|
| 7 | patient who had [be] treated | 5 |
|
| 8 | patient [Wh pn] had been treated | 5 |
|
| 9 | patient who had [been] treated | 5 |
|
| 10 | patient who had been treated | 5 |
|
| 11 | patient who [vb past] been treated | 5 |
|
| 12 | patient [pron] had been treated | 5 |
|
| 13 | patient who had be treated | 5 |
|
