| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [been] [verb] [prep] a [noun] | 1256 |
|
| 2 | [verb] [been] use [prep] a [noun] | 106 |
|
| 3 | [vb past] [been] use [prep] [art] [noun] | 55 |
|
| 4 | [vb past] [be] use [prep] a [noun] | 28 |
|
