| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [verb] for the [adj] | 298 |
|
| 2 | [is] [vb pp] for the [adj] | 221 |
|
| 3 | [is] required [prep] the [adj] | 47 |
|
| 4 | [be] required for the [adj] | 30 |
|
| 5 | [is] required for [art] [adj] | 26 |
|
| 6 | [is] required for [art] [adj] | 26 |
|
| 7 | [is] require for the [adj] | 16 |
|
| 8 | [is] required for the [adj] | 16 |
|
