| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [prep] [noun] | 125389 |
|
| 2 | [vb pp] [prep] a [noun] | 61777 |
|
| 3 | be [vb pp] [prep] a | 60585 |
|
| 4 | be [prep] a [noun] | 9866 |
|
| 5 | be [vb pp] a [noun] | 4842 |
|
