| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [that] it [is] often [verb] | 9 |
|
| 2 | [that] it [is] often [vb pp] | 9 |
|
| 3 | that it [is] often [verb] | 9 |
|
| 4 | [that] it is often [verb] | 9 |
|
