| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [adj] [noun] | 3160 |
|
| 2 | had [adj] [noun] | 1075 |
|
| 3 | [verb] serious [noun] | 1029 |
|
| 4 | have serious [noun] | 205 |
|
| 5 | [vb pp] serious [noun] | 122 |
|
| 6 | had serious [noun] | 18 |
|
