| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] [prep] | 11277 |
|
| 2 | [verb] [been] used | 1738 |
|
| 3 | [been] used [prep] | 1086 |
|
| 4 | [verb] used [prep] | 269 |
|
