| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] required for [noun] | 124 |
|
| 2 | [be] for each [noun] | 28 |
|
| 3 | required for each [noun] | 21 |
|
| 4 | [be] required for each | 15 |
|
| 5 | [be] required each [noun] | 6 |
|
