| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] used for [adj] | 61 |
|
| 2 | have [been] used for [noun sg] | 39 |
|
| 3 | have [been] for [adj] [noun sg] | 36 |
|
| 4 | [been] used for [adj] [noun sg] | 20 |
|
