| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [prep] a [noun] | 9502 |
|
| 2 | be [vb pp] [prep] [noun] 's | 661 |
|
| 3 | [vb pp] [prep] a [noun] 's | 632 |
|
| 4 | be [prep] a [noun] 's | 16 |
|
| 5 | be [vb pp] a [noun] 's | 10 |
|
