| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [verb] [prep] a [noun] | 1057 |
|
| 2 | has been [vb pp] [prep] a [noun] | 997 |
|
| 3 | have been converted [prep] a [noun] | 24 |
|
| 4 | [verb] been converted [prep] a [noun] | 24 |
|
| 5 | has been converted [prep] [art] [noun] | 23 |
|
| 6 | has been converted [prep] [art] [noun] | 23 |
|
| 7 | has been converted [prep] a [noun] | 16 |
|
| 8 | [vb -s] been converted [prep] a [noun] | 14 |
|
| 9 | has be converted [prep] a [noun] | 13 |
|
| 10 | has [be] converted [prep] a [noun] | 13 |
|
| 11 | has been converted [prep] a [noun] | 13 |
|
| 12 | has been convert [prep] a [noun] | 13 |
|
| 13 | has [been] converted [prep] a [noun] | 13 |
|
