| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [prep] a [adj] | 262 |
|
| 2 | have been replaced [prep] a | 90 |
|
| 3 | have been replaced [prep] [adj] | 55 |
|
| 4 | been replaced [prep] a [adj] | 50 |
|
