| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] required for the [adj] [noun] | 14 |
|
| 2 | is require for the [adj] [noun] | 14 |
|
| 3 | [is] require for the [adj] [noun] | 14 |
|
| 4 | [is] require for the [adj] [noun] | 12 |
|
| 5 | [is] require for the [adj] [noun sg] | 10 |
|
