| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is for [adj] [noun] | 518 |
|
| 2 | required for [adj] [noun] | 249 |
|
| 3 | is required for [adj] | 63 |
|
| 4 | is required for [noun] | 60 |
|
| 5 | is required [adj] [noun] | 9 |
|
