| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been used [det] time | 5 |
|
| 2 | have been used [det] time | 5 |
|
| 3 | been used [prep] [det] time | 6 |
|
| 4 | been used [prep] [det] time | 6 |
|
