| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been used for [adj] [noun] | 11 |
|
| 2 | have [been] used for [adj] [noun] | 6 |
|
| 3 | have [been] used for [adj] [noun sg] | 6 |
|
| 4 | have [been] used for [det] [noun] | 5 |
|
| 5 | have [been] used for [adj] [noun pl] | 5 |
|
