| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] was for [noun] | 188 |
|
| 2 | [noun sg] required for [noun] | 94 |
|
| 3 | [noun sg] was required for | 33 |
|
| 4 | was required for [noun] | 16 |
|
