| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it [be] [adv] [verb] | 1420 |
|
| 2 | [coord] it [be] [adv] [verb] | 1065 |
|
| 3 | [conj] it [be] often [verb] | 93 |
|
| 4 | [coord] [pron] [be] often [verb] | 74 |
|
| 5 | [coord] it [be] often [verb] | 35 |
|
