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