| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [vb pp] to [be] a [noun] | 141 |
|
| 2 | have [vb pp] to [be] a [noun] | 139 |
|
| 3 | [vb -s] [vb pp] to [be] a [noun] | 56 |
|
| 4 | 's [vb pp] to [be] [art] [noun] | 48 |
|
| 5 | 's [vb pp] to [be] [art] [noun] | 48 |
|
| 6 | 's [vb pp] [prep] [be] a [noun] | 40 |
|
| 7 | 's [vb pp] to [be] a [noun] | 37 |
|
| 8 | 's [verb] to [be] a [noun] | 29 |
|
| 9 | 's [vb pp] to [be] a [noun] | 29 |
|
