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