| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has be [verb] at | 529 |
|
| 2 | has be [vb pp] at | 454 |
|
| 3 | has be used [prep] | 312 |
|
| 4 | [verb] be used at | 16 |
|
| 5 | have be used at | 16 |
|
| 6 | has [be] used at | 8 |
|
| 7 | [vb -s] be used at | 8 |
|
| 8 | has be use at | 8 |
|
