| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [modal v] require [noun] | 10 |
|
| 2 | [conj] it [vb mod] require [noun] | 10 |
|
| 3 | [conj] it [modal v] require [noun sg] | 6 |
|
| 4 | [subord] it [modal v] require [noun] | 5 |
|
