| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [adv] [verb] [that] [det] | 246 |
|
| 2 | it [be] often [verb] [that] [adj] | 30 |
|
| 3 | it [be] often [verb] [conj] [det] | 15 |
|
| 4 | [pron] [be] often [verb] [that] [det] | 15 |
|
