| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] long been accepted [that] | 9 |
|
| 2 | it [verb] long be accepted that | 9 |
|
| 3 | it [verb] long be accepted [that] | 9 |
|
| 4 | it have long be accepted [that] | 9 |
|
| 5 | it [vb -s] long be accepted [that] | 5 |
|
| 6 | it has long be accepted [that] | 5 |
|
