| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] used for [adj] [noun] | 59 |
|
| 2 | used for [adj] of [noun] | 6 |
|
| 3 | [been] used for [adj] of | 6 |
|
| 4 | [been] for [adj] of [noun] | 5 |
|
