| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be require [verb] a [noun] | 40 |
|
| 2 | [vb mod] be required [verb] a [noun] | 40 |
|
| 3 | [vb mod] be require [to-vb] a [noun] | 39 |
|
| 4 | [vb mod] be require [verb] a [noun sg] | 39 |
|
| 5 | may be require [verb] a [noun] | 10 |
|
| 6 | would be require [verb] a [noun] | 10 |
|
| 7 | should be require [verb] a [noun] | 9 |
|
| 8 | will be require [verb] a [noun] | 8 |
|
| 9 | [vb mod] be require to provide a [noun] | 5 |
|
| 10 | [vb mod] be require provide a [noun] | 5 |
|
