| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [prep] a [noun] | 9502 |
|
| 2 | [vb pp] [indef pn] [prep] a [noun] | 144 |
|
| 3 | be [indef pn] [prep] a [noun] | 97 |
|
| 4 | be [vb pp] [indef pn] [prep] [noun] | 13 |
|
| 5 | be [vb pp] [indef pn] [prep] a | 13 |
|
