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