| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] often [verb] [that] [det] | 15 |
|
| 2 | it be often [verb] [that] [det] | 15 |
|
| 3 | it [be] often [verb] [that] [det] | 15 |
|
| 4 | it [be] often [vb pp] [that] [det] | 15 |
|
| 5 | it [be] often [verb] that [det] | 15 |
|
| 6 | it [is] often [verb] [that] [det] | 14 |
|
| 7 | it is often [verb] [that] [det] | 13 |
|
