| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] require for the [noun] | 8 |
|
| 2 | [vb mod] require for the [noun] | 8 |
|
| 3 | [modal v] require for the [noun] | 8 |
|
| 4 | may require for the [noun] | 7 |
|
| 5 | may require for the [noun] | 7 |
|
| 6 | [modal v] require for the purpose | 7 |
|
| 7 | [modal v] require for the [noun sg] | 6 |
|
| 8 | [modal v] require for the purpose | 6 |
|
