| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun sg] | 465207 |
|
| 2 | [to-vb] a [noun sg] | 50820 |
|
| 3 | [to-vb] [prep] [noun sg] | 20440 |
|
| 4 | [to-vb] [prep] a | 16321 |
|
