| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been [vb pp] that [adj] | 115 |
|
| 2 | it have be [vb pp] that [adj] | 115 |
|
| 3 | it have [be] [vb pp] that [adj] | 115 |
|
| 4 | it have [been] [vb pp] that [adj] | 115 |
|
| 5 | it has [be] [vb pp] that [adj] | 105 |
|
| 6 | it have [be] suggested that [adj] | 22 |
|
| 7 | it have [be] shown that [adj] | 13 |
|
| 8 | it have [be] argued that [adj] | 13 |
|
| 9 | it have [be] claimed that [adj] | 8 |
|
| 10 | it have [be] estimated that [adj] | 8 |
|
| 11 | it had [be] [vb pp] that [adj] | 8 |
|
| 12 | it have [be] reported that [adj] | 6 |
|
| 13 | it have [be] found that [adj] | 6 |
|
| 14 | it have [be] established that [adj] | 5 |
|
| 15 | it have [be] assumed that [adj] | 5 |
|
