| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] be [verb] [verb] a [noun] | 88 |
|
| 2 | [conj] be [vb pp] [verb] a [noun] | 65 |
|
| 3 | [conj] be required [verb] [art] [noun] | 20 |
|
| 4 | [conj] be required [verb] [art] [noun] | 20 |
|
| 5 | [conj] be require [verb] a [noun] | 5 |
|
| 6 | [conj] [be] required [verb] a [noun] | 5 |
|
| 7 | [conj] be required [verb] a [noun] | 5 |
|
