| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] [prep] a [noun] | 37595 |
|
| 2 | be [verb] [prep] a [noun] | 37594 |
|
| 3 | been [verb] [prep] [art] [noun] | 16907 |
|
| 4 | [been] [verb] [prep] a [noun] | 4202 |
|
