| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [is] [adv] [verb] | 2868 |
|
| 2 | [conj] [is] [adv] [verb] | 2430 |
|
| 3 | [conj] [be] often [verb] | 286 |
|
| 4 | [conj] [is] often [verb] | 150 |
|
