| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [prep] [art] | 187284 |
|
| 2 | be often [vb pp] [prep] | 2224 |
|
| 3 | often [vb pp] [prep] [art] | 1226 |
|
| 4 | be often [prep] [art] | 97 |
|
| 5 | be often [vb pp] [art] | 66 |
|
