| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [adj] for some | 35 |
|
| 2 | has been [adj] for many | 15 |
|
| 3 | has been [adj] for several | 8 |
|
| 4 | has been [adj] for most | 7 |
|
| 5 | has been responsible for [det] | 6 |
|
