| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] a [adj] [noun] | 300 |
|
| 2 | [modal v] [art] serious [noun] | 10 |
|
| 3 | [modal v] [art] serious [noun] | 10 |
|
| 4 | [modal v] a serious [noun] | 9 |
|
