| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | as it often [verb] | 12 |
|
| 2 | as it often [verb] | 12 |
|
| 3 | as it often do | 9 |
|
| 4 | as it often [vb -s] | 7 |
|
| 5 | as it often does | 6 |
|
| 6 | as it often [vb past] | 5 |
|
