| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | patients who have [verb] a [adj] | 8 |
|
| 2 | patients [Wh pn] have [verb] a [adj] | 8 |
|
| 3 | patients [Wh pn] have [vb pp] a [adj] | 8 |
|
| 4 | patients [Wh pn] had [verb] a [adj] | 5 |
|
