| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been used [prep] | 312 |
|
| 2 | has been [adv] [prep] | 142 |
|
| 3 | been [adv] used [prep] | 72 |
|
| 4 | has been [adv] used | 57 |
|
