| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] been [adv] for [adj] | 52 |
|
| 2 | [vb -s] been used for [adj] | 20 |
|
| 3 | [vb -s] been used [adv] for | 9 |
|
| 4 | been used [adv] for [adj] | 8 |
|
