| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] been assumed that | 37 |
|
| 2 | it have be assumed that | 37 |
|
| 3 | it [vb -s] be assumed that | 27 |
|
| 4 | it has be assumed that | 27 |
|
| 5 | it had be assumed that | 10 |
|
| 6 | it [vb past] be assumed that | 10 |
|
