| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] a [noun] to | 227 |
|
| 2 | [noun sg] requires a [noun] | 162 |
|
| 3 | requires a [noun] to | 22 |
|
| 4 | [noun sg] requires [noun] to | 20 |
|
