| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] as to [noun] | 458 |
|
| 2 | [noun pl] as to [noun] | 179 |
|
| 3 | requirement as to [noun] | 22 |
|
| 4 | requirements as [prep] [noun] | 17 |
|
| 5 | requirements as [prep] [noun] | 17 |
|
| 6 | requirements [conj] to [noun] | 15 |
|
| 7 | requirements as to [noun] | 14 |
|
