| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [adv] been use for [adj] | 8 |
|
| 2 | [vb -s] [adv] been use for [adj] | 8 |
|
| 3 | [vb -s] [adv] been used for [adj] | 7 |
|
