| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] a [noun sg] | 21494 |
|
| 2 | [pron] [modal v] [noun sg] | 1257 |
|
| 3 | [modal v] a [noun sg] | 733 |
|
| 4 | [pron] [modal v] a | 176 |
|
