| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun sg] | 465202 |
|
| 2 | [prep] [noun sg] to | 43219 |
|
| 3 | a [noun sg] to | 30439 |
|
| 4 | [prep] a to | 18 |
|
