| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has be [verb] at | 529 |
|
| 2 | has be [vb pp] at | 454 |
|
| 3 | has be installed [prep] | 32 |
|
| 4 | have be installed at | 15 |
|
| 5 | [verb] be installed at | 15 |
|
| 6 | has [be] installed at | 8 |
|
| 7 | [vb -s] be installed at | 8 |
|
| 8 | has be install at | 8 |
|
