| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] require a [noun] | 134 |
|
| 2 | [coord] [modal v] a [noun] | 36 |
|
| 3 | [coord] [modal v] require [noun] | 21 |
|
| 4 | [coord] [modal v] require a | 19 |
|
