| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [verb] [prep] [art] | 21524 |
|
| 2 | have [be] operate [prep] [art] | 18 |
|
| 3 | have [been] operate [prep] [art] | 18 |
|
| 4 | [verb] [been] operate [prep] [art] | 18 |
|
