| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been use for [adj] [noun pl] | 13 |
|
| 2 | had been use for [adj] [noun] | 13 |
|
| 3 | [vb past] been used for [adj] [noun] | 12 |
|
| 4 | [vb past] been use for [adj] [noun] | 7 |
|
