| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] | 490653 |
|
| 2 | [prep] [noun] [conj] | 371065 |
|
| 3 | a [noun] [conj] | 95797 |
|
| 4 | [prep] a [conj] | 142 |
|
