| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is [verb] [that] | 934 |
|
| 2 | it is often [verb] [that] | 150 |
|
| 3 | [conj] it is often [verb] | 75 |
|
| 4 | [conj] it often [verb] [that] | 5 |
|
