| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun] [modal v] [verb] [art] | 1442 |
|
| 2 | [noun] [modal v] [verb] [art] [det] | 664 |
|
| 3 | a [noun] [modal v] [verb] [det] | 324 |
|
| 4 | a [noun] [verb] [art] [det] | 138 |
|
