| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [subord] it is [to-vb] | 116 |
|
| 2 | [noun sg] [subord] it is [to-vb] | 80 |
|
| 3 | [adj] [subord] it is [to-vb] | 44 |
|
| 4 | [verb] [subord] it is [to-vb] | 41 |
|
| 5 | [adj] [subord] it is [to-vb] | 35 |
|
| 6 | [noun pl] [subord] it is [to-vb] | 29 |
|
| 7 | [adv] [subord] it is [to-vb] | 18 |
|
| 8 | [vb pp] [subord] it is [to-vb] | 18 |
|
| 9 | [adv] [subord] it is [to-vb] | 16 |
|
| 10 | [conj] [subord] it is [to-vb] | 10 |
|
| 11 | [vb infin] [subord] it is [to-vb] | 9 |
|
| 12 | [coord] [subord] it is [to-vb] | 8 |
|
| 13 | [to-vb] [subord] it is [to-vb] | 8 |
|
| 14 | make [subord] it is [to-vb] | 6 |
|
| 15 | [det] [subord] it is [to-vb] | 6 |
|
| 16 | and [subord] it is [to-vb] | 5 |
|
| 17 | difficult [subord] it is [to-vb] | 5 |
|
| 18 | and [subord] it is [to-vb] | 5 |
|
| 19 | [pron] [subord] it is [to-vb] | 5 |
|
| 20 | difficult [subord] it is [to-vb] | 5 |
|
| 21 | [subord] it is [adj] [to-vb] | 1042 |
|
| 22 | [subord] it is [adj] [to-vb] | 986 |
|
| 23 | [subord] it is [verb] [to-vb] | 212 |
|
| 24 | [subord] it is possible [to-vb] | 209 |
|
| 25 | [subord] it is possible [to-vb] | 209 |
|
| 26 | [subord] it is [vb pp] [to-vb] | 171 |
|
| 27 | [subord] it is difficult [to-vb] | 120 |
|
| 28 | [subord] it is difficult [to-vb] | 120 |
|
| 29 | [subord] it is necessary [to-vb] | 85 |
|
| 30 | [subord] it is necessary [to-vb] | 85 |
|
