| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] a [noun sg] [modal v] | 1708 |
|
| 2 | [subord] [det] [noun sg] [modal v] | 909 |
|
| 3 | [subord] a [noun sg] [modal v] | 834 |
|
| 4 | [subord] [det] a [noun sg] | 556 |
|
