| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | required for [det] [art] [noun] | 11 |
|
| 2 | require for [det] [art] [noun sg] | 10 |
|
| 3 | require for such [art] [noun] | 10 |
|
| 4 | require for [det] a [noun] | 8 |
|
