| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [verb] [prep] [adv] | 343 |
|
| 2 | [verb] been operate [prep] [adv] | 7 |
|
| 3 | have been operate [prep] [adv] | 7 |
|
| 4 | has be operate [prep] [adv] | 5 |
|
| 5 | [vb -s] been operate [prep] [adv] | 5 |
|
| 6 | has [be] operate [prep] [adv] | 5 |
|
| 7 | has [been] operate [prep] [adv] | 5 |
|
| 8 | has been operate [prep] [adv] | 5 |
|
