| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it is [to-vb] [prep] [adj] | 6 |
|
| 2 | [conj] it is [to-vb] [prep] [adj] | 6 |
|
| 3 | it is [adj] [to-vb] [prep] [adj] | 121 |
|
| 4 | it is [adj] [to-vb] [prep] [adj] | 115 |
|
| 5 | it is possible [to-vb] [prep] [adj] | 18 |
|
| 6 | it is possible [to-vb] [prep] [adj] | 18 |
|
| 7 | it is necessary [to-vb] [prep] [adj] | 14 |
|
| 8 | it is necessary [to-vb] [prep] [adj] | 14 |
|
| 9 | it is important [to-vb] [prep] [adj] | 13 |
|
| 10 | it is important [to-vb] [prep] [adj] | 13 |
|
| 11 | it is [verb] [to-vb] [prep] [adj] | 10 |
|
| 12 | it is easy [to-vb] [prep] [adj] | 10 |
|
| 13 | it is difficult [to-vb] [prep] [adj] | 9 |
|
| 14 | it is difficult [to-vb] [prep] [adj] | 9 |
|
| 15 | it is [vb pp] [to-vb] [prep] [adj] | 9 |
|
| 16 | it is easy [to-vb] [prep] [adj] | 8 |
|
| 17 | it is [to-vb] [prep] [art] [adj] | 21 |
|
| 18 | it is [to-vb] [prep] [art] [adj] | 21 |
|
| 19 | it is [to-vb] [prep] a [adj] | 12 |
|
| 20 | it is [to-vb] [prep] the [adj] | 9 |
|
| 21 | it is [to-vb] [prep] the [adj] | 9 |
|
| 22 | it is [to-vb] [prep] a [adj] | 9 |
|
| 23 | it is [to-vb] [prep] [adj] [noun] | 9 |
|
| 24 | it is [to-vb] [prep] [adj] [noun pl] | 6 |
|
