| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [be] [vb pp] | 35496 |
|
| 2 | often [be] [vb pp] | 777 |
|
| 3 | [vb -s] often [be] | 302 |
|
| 4 | [vb -s] often [vb pp] | 178 |
|
