| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun] is [verb] | 21464 |
|
| 2 | [adj] [noun] is [vb pp] | 15577 |
|
| 3 | [adj] [noun] be required | 857 |
|
| 4 | [adj] [noun] [be] required | 857 |
|
| 5 | [adj] [noun] is required | 703 |
|
| 6 | [adj] [noun] is require | 478 |
|
| 7 | [adj] [noun] [is] required | 474 |
|
