| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] used for [adj] [noun] | 59 |
|
| 2 | [vb base] [been] for [adj] [noun] | 23 |
|
| 3 | [vb base] [been] used for [noun] | 22 |
|
| 4 | [vb base] [been] used for [adj] | 16 |
|
