| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adj] [to-vb] [adj] [noun pl] | 274 |
|
| 2 | it is [adj] [to-vb] [det] [noun pl] | 143 |
|
| 3 | it is possible [to-vb] [adj] [noun pl] | 133 |
|
| 4 | it is difficult [to-vb] [adj] [noun pl] | 52 |
|
| 5 | it is necessary [to-vb] [adj] [noun pl] | 50 |
|
| 6 | it is [adj] [to-vb] these [noun pl] | 46 |
|
| 7 | it is [adj] [to-vb] these [noun pl] | 46 |
|
| 8 | it is [adj] [to-vb] [num] [noun pl] | 44 |
|
| 9 | it is important [to-vb] [adj] [noun pl] | 41 |
|
| 10 | it is [adj] to make [adj] [noun pl] | 31 |
|
| 11 | it is [adj] [to-vb] such [noun pl] | 26 |
|
| 12 | it is [adj] [to-vb] such [noun pl] | 26 |
|
| 13 | it is [adj] [to-vb] two [noun pl] | 24 |
|
| 14 | it is [adj] [to-vb] two [noun pl] | 24 |
|
| 15 | it is [adj] to find [adj] [noun pl] | 17 |
|
| 16 | it is [adj] to use [adj] [noun pl] | 17 |
|
| 17 | it is [adj] to identify [adj] [noun pl] | 17 |
|
| 18 | it is impossible [to-vb] [adj] [noun pl] | 16 |
|
| 19 | it is easy [to-vb] [adj] [noun pl] | 16 |
|
| 20 | it is [adj] to have [adj] [noun pl] | 16 |
|
| 21 | it is [adj] [to-vb] three [noun pl] | 15 |
|
| 22 | it is [adj] to distinguish [adj] [noun pl] | 15 |
|
| 23 | it is [adj] [to-vb] three [noun pl] | 15 |
|
| 24 | it is [adj] [to-vb] all [noun pl] | 14 |
|
| 25 | it is [adj] [to-vb] all [noun pl] | 14 |
|
| 26 | it is hard [to-vb] [adj] [noun pl] | 12 |
|
| 27 | it is [adj] [to-vb] some [noun pl] | 12 |
|
| 28 | it is [adj] [to-vb] some [noun pl] | 12 |
|
| 29 | it is useful [to-vb] [adj] [noun pl] | 12 |
|
| 30 | it is [adj] [to-vb] [adj -er] [noun pl] | 11 |
|
