| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been used for [adj] | 80 |
|
| 2 | [been] used for [det] | 35 |
|
| 3 | [been] used for [adj] | 34 |
|
| 4 | [been] used for many | 14 |
|
| 5 | [been] used for many | 14 |
|
| 6 | [been] used for [num] | 11 |
|
| 7 | [been] used for this | 7 |
|
| 8 | [been] used for this | 7 |
|
