| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] who have had [adj] [noun sg] | 18 |
|
| 2 | [noun pl] who have had [adj] [noun pl] | 16 |
|
| 3 | [noun pl] who had had [adj] [noun] | 15 |
|
| 4 | [noun pl] who have had [adj] [noun] | 13 |
|
| 5 | patients who have had [adj] [noun] | 11 |
|
