| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] be [adj] | 1059 |
|
| 2 | it have [be] [adj] | 958 |
|
| 3 | it [verb] been [adj] | 955 |
|
| 4 | it [verb] [been] [adj] | 955 |
|
| 5 | it [vb -s] [be] [adj] | 659 |
|
| 6 | it has [be] [adj] | 399 |
|
| 7 | it [vb past] [be] [adj] | 371 |
|
| 8 | it had [be] [adj] | 341 |
|
| 9 | it 's [be] [adj] | 190 |
|
| 10 | it [verb] [be] possible | 90 |
|
| 11 | it [verb] [be] difficult | 51 |
|
| 12 | it [verb] [be] necessary | 48 |
|
| 13 | it [verb] [is] [adj] | 39 |
|
| 14 | it [verb] is [adj] | 36 |
|
| 15 | it [verb] are [adj] | 30 |
|
| 16 | it [verb] [am/are] [adj] | 30 |
|
| 17 | it [verb] [be] able | 28 |
|
| 18 | it [verb] [be] good | 28 |
|
| 19 | it [verb] [be] impossible | 25 |
|
| 20 | it [verb] [was/were] [adj] | 23 |
|
| 21 | it [vb infin] [be] [adj] | 20 |
|
| 22 | it [verb] [be] clear | 19 |
|
| 23 | it [verb] was [adj] | 19 |
|
| 24 | it [verb] [be] easy | 19 |
|
| 25 | it have [be] [adj] | 19 |
|
| 26 | it [verb] [be] hard | 18 |
|
| 27 | it [verb] [be] successful | 15 |
|
| 28 | it [verb] [be] different | 14 |
|
| 29 | it [verb] [be] wonderful | 14 |
|
| 30 | it [verb] [be] great | 14 |
|
