| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] usually [verb] that | 25 |
|
| 2 | it [is] usually [vb pp] that | 25 |
|
| 3 | it is usually [verb] that | 25 |
|
| 4 | it [is] usually assumed that | 7 |
|
| 5 | it [is] usually assume that | 7 |
|
