| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [conj] | 3774 |
|
| 2 | is [adv] [conj] | 2813 |
|
| 3 | be often [conj] | 35 |
|
| 4 | [be] often [conj] | 35 |
|
| 5 | [is] often [conj] | 24 |
|
| 6 | is often [conj] | 21 |
|
