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