| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [verb] for [adj] [noun] | 796 |
|
| 2 | [is] [vb pp] for [adj] [noun] | 578 |
|
| 3 | [is] required [prep] [adj] [noun] | 101 |
|
| 4 | [is] required [prep] [adj] [noun] | 101 |
|
| 5 | [be] required for [adj] [noun] | 99 |
|
| 6 | [is] require for [adj] [noun] | 42 |
|
| 7 | [is] required for [adj] [noun] | 42 |
|
