| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [prep] a [adj] | 262 |
|
| 2 | have been converted [prep] a | 55 |
|
| 3 | been converted [prep] a [adj] | 22 |
|
| 4 | have been converted [prep] [adj] | 18 |
|
