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