| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [adj] [noun] is [verb] | 825 |
|
| 2 | [noun] [adj] [noun] is [vb pp] | 614 |
|
| 3 | [noun] [adj] [noun] be required | 35 |
|
| 4 | [noun] [adj] [noun] [be] required | 35 |
|
| 5 | [noun] [adj] [noun] is require | 18 |
|
| 6 | [noun] [adj] [noun] [is] required | 17 |
|
