| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been used for [adj] [noun pl] | 39 |
|
| 2 | [been] used for [adj] [noun pl] | 19 |
|
| 3 | [been] used for [det] [noun pl] | 15 |
|
| 4 | [been] used for [adj] years | 15 |
|
| 5 | [been] used for many [noun pl] | 13 |
|
| 6 | [been] used for many [noun pl] | 13 |
|
| 7 | [been] used for [num] [noun pl] | 5 |
|
