| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been [verb] [prep] [det] | 145 |
|
| 2 | it have been [vb pp] [prep] [det] | 135 |
|
| 3 | it have been shown [prep] [adj] | 10 |
|
| 4 | [pron] have been shown [prep] [det] | 7 |
|
| 5 | it have be shown [prep] [det] | 5 |
|
| 6 | it [verb] been shown [prep] [det] | 5 |
|
| 7 | it have [be] shown [prep] [det] | 5 |
|
| 8 | it have [been] shown [prep] [det] | 5 |
|
| 9 | it have been show [prep] [det] | 5 |
|
