| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it is [adv] | 4709 |
|
| 2 | [conj] it is often | 213 |
|
| 3 | [coord] it [be] often | 116 |
|
| 4 | [coord] it be often | 116 |
|
| 5 | [coord] [pron] is often | 111 |
|
| 6 | [coord] it [is] often | 101 |
|
