| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is [adv] | 11446 |
|
| 2 | [conj] it is [adv] | 7592 |
|
| 3 | [conj] it be often | 285 |
|
| 4 | [conj] it [be] often | 285 |
|
| 5 | [conj] [pron] is often | 275 |
|
| 6 | [conj] it [is] often | 243 |
|
| 7 | [conj] it is often | 213 |
|
