| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] be [verb] on | 3448 |
|
| 2 | [verb] be operate [prep] | 66 |
|
| 3 | [verb] be operate [prep] | 66 |
|
| 4 | [verb] be operate on | 5 |
|
| 5 | [verb] [be] operate on | 5 |
|
