| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | patients who have [vb pp] [noun] | 29 |
|
| 2 | patients [Wh pn] had [vb pp] [noun] | 20 |
|
| 3 | patients [Wh pn] have [vb pp] [noun sg] | 19 |
|
| 4 | patients [Wh pn] have [vb pp] [noun pl] | 9 |
|
| 5 | patients [Wh pn] have [vb pp] [noun] | 9 |
|
| 6 | patients [Wh pn] have undergone [noun] | 8 |
|
| 7 | patients [Wh pn] have had [noun] | 6 |
|
