| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is often [verb] [that] [conj] | 8 |
|
| 2 | [is] often [verb] [that] [subord] | 8 |
|
| 3 | [is] often [vb pp] [that] [conj] | 8 |
|
| 4 | [is] often [verb] that [conj] | 8 |
|
