| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it has [been] [vb pp] | 3465 |
|
| 2 | it has be [vb pp] | 3465 |
|
| 3 | it has been [vb pp] | 3465 |
|
| 4 | it has [be] suggested | 471 |
|
| 5 | it has [be] argued | 217 |
|
| 6 | it has [be] shown | 197 |
|
| 7 | it has [be] said | 134 |
|
| 8 | it has [be] estimated | 132 |
|
| 9 | it has [be] found | 98 |
|
| 10 | it has [be] held | 95 |
|
| 11 | it has [be] claimed | 73 |
|
| 12 | it has [be] used | 71 |
|
| 13 | it has [be] known | 60 |
|
| 14 | it has [be] decided | 48 |
|
| 15 | it has [be] pointed | 43 |
|
| 16 | it has [be] reported | 39 |
|
| 17 | it has [be] proposed | 38 |
|
| 18 | it has [be] assumed | 37 |
|
| 19 | it has [be] seen | 37 |
|
| 20 | it has [be] established | 33 |
|
| 21 | it has [be] done | 32 |
|
| 22 | it has [be] calculated | 31 |
|
| 23 | it has [be] made | 30 |
|
| 24 | it has [be] observed | 30 |
|
| 25 | it has [be] demonstrated | 30 |
|
| 26 | it has [be] noted | 29 |
|
| 27 | it has [be] described | 25 |
|
| 28 | it has [be] recorded | 24 |
|
| 29 | it has [be] designed | 23 |
|
| 30 | it has [be] given | 20 |
|
