| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may be require [verb] a [noun sg] | 10 |
|
| 2 | may be required [verb] a [noun] | 10 |
|
| 3 | may be require [verb] a [noun] | 10 |
|
| 4 | may be require [to-vb] a [noun] | 9 |
|
