| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] at a [noun] | 74 |
|
| 2 | been [vb pp] at a [noun sg] | 69 |
|
| 3 | be [vb pp] at a cost | 35 |
|
| 4 | [be] [vb pp] at a cost | 35 |
|
| 5 | been [vb pp] at [art] cost | 16 |
|
| 6 | been [vb pp] [prep] a cost | 8 |
|
| 7 | been [vb pp] [prep] a cost | 8 |
|
| 8 | been [vb pp] at a cost | 7 |
|
| 9 | been [verb] at a cost | 7 |
|
| 10 | [been] [vb pp] at a cost | 7 |
|
| 11 | been [vb pp] at a cost | 7 |
|
