| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has be [verb] [prep] | 17170 |
|
| 2 | has be [v-ing] [prep] | 1064 |
|
| 3 | [verb] be operating [prep] | 51 |
|
| 4 | have be operating [prep] | 50 |
|
| 5 | has be operate [prep] | 26 |
|
| 6 | has [be] operating [prep] | 24 |
|
| 7 | [vb -s] be operating [prep] | 24 |
|
