| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been carefully selected | 10 |
|
| 2 | have been carefully selected | 10 |
|
| 3 | [vb base] been carefully selected | 7 |
|
| 4 | have been carefully selected | 7 |
|
| 5 | been carefully selected [prep] | 10 |
|
| 6 | been carefully selected [prep] | 10 |
|
| 7 | been carefully selected for | 6 |
|
| 8 | been carefully selected for | 6 |
|
