| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it has been [verb] that | 116 |
|
| 2 | [coord] it has [be] [vb pp] that | 116 |
|
| 3 | [coord] it has [been] [verb] that | 116 |
|
| 4 | [coord] it has be [verb] that | 116 |
|
| 5 | and it has [be] [verb] that | 93 |
|
| 6 | [coord] it has [be] suggested that | 36 |
|
| 7 | [coord] it has [be] suggest that | 36 |
|
| 8 | but it has [be] [verb] that | 23 |
|
| 9 | [coord] it has [be] argue that | 12 |
|
| 10 | [coord] it has [be] argued that | 12 |
|
| 11 | [coord] it has [be] held that | 10 |
|
| 12 | [coord] it has [be] hold that | 10 |
|
| 13 | [coord] it has [be] proposed that | 8 |
|
| 14 | [coord] it has [be] estimate that | 8 |
|
| 15 | [coord] it has [be] estimated that | 8 |
|
| 16 | [coord] it has [be] propose that | 8 |
|
| 17 | [coord] it has [be] show that | 7 |
|
| 18 | [coord] it has [be] shown that | 7 |
|
