| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] have been operate [prep] | 28 |
|
| 2 | [noun] have be operating [prep] | 21 |
|
| 3 | [noun sg] have be operate [prep] | 16 |
|
| 4 | [noun] has be operate [prep] | 13 |
|
| 5 | [noun pl] have be operate [prep] | 10 |
|
| 6 | [noun] have be operate [prep] | 9 |
|
| 7 | [noun] have be operate for | 8 |
|
| 8 | [noun] have be operated [prep] | 7 |
|
| 9 | [noun] have be operate in | 6 |
|
| 10 | [noun] had be operate [prep] | 6 |
|
