| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [verb] that it [is] often | 5 |
|
| 2 | [vb base] [verb] [that] it [is] often | 5 |
|
| 3 | [vb base] [verb] [that] it [is] often | 5 |
|
| 4 | [vb base] [vb pp] [that] it [is] often | 5 |
|
