| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been operate [adv] [prep] | 13 |
|
| 2 | have be operating [adv] [prep] | 9 |
|
| 3 | have be operate [adv] [prep] | 8 |
|
| 4 | has be operate [adv] [prep] | 5 |
|
| 5 | have be operate [adv prt] [prep] | 5 |
|
