| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has be [verb] at | 529 |
|
| 2 | has be discuss [prep] | 67 |
|
| 3 | [verb] be discuss at | 22 |
|
| 4 | have be discuss at | 19 |
|
| 5 | [vb -s] be discuss at | 11 |
|
| 6 | has [be] discuss at | 11 |
|
