| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] [verb] [prep] a [adj] | 625 |
|
| 2 | [verb] [been] convert [prep] a [adj] | 18 |
|
| 3 | have [been] convert [prep] a [adj] | 18 |
|
| 4 | has [been] convert [prep] a [adj] | 13 |
|
| 5 | has [been] convert [prep] [art] [adj] | 12 |
|
| 6 | has [been] convert [prep] a [adj] | 12 |
|
| 7 | has [been] convert [prep] [art] [adj] | 12 |
|
| 8 | [vb -s] [been] convert [prep] a [adj] | 11 |
|
| 9 | has [be] convert [prep] a [adj] | 11 |
|
