| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun] to [noun sg] | 2603 |
|
| 2 | a [noun] as to | 441 |
|
| 3 | [noun] as to [noun sg] | 349 |
|
| 4 | a [noun] as [noun sg] | 138 |
|
