| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] it is [prep] [pron] [to-vb] | 15 |
|
| 2 | [conj] it is [prep] [pron] [to-vb] | 12 |
|
| 3 | [adj] it is [prep] [pron] [to-vb] | 8 |
|
| 4 | [coord] it is [prep] [pron] [to-vb] | 8 |
|
| 5 | [adj -er] it is [prep] [pron] [to-vb] | 7 |
|
| 6 | and it is [prep] [pron] [to-vb] | 5 |
|
| 7 | and it is [prep] [pron] [to-vb] | 5 |
|
| 8 | it is [adj] [prep] [pron] [to-vb] | 286 |
|
| 9 | it is [adj] [prep] [pron] [to-vb] | 266 |
|
| 10 | it is [adv] [prep] [pron] [to-vb] | 96 |
|
| 11 | it is up [prep] [pron] [to-vb] | 48 |
|
| 12 | it is up [prep] [pron] [to-vb] | 48 |
|
| 13 | it is [adv prt] [prep] [pron] [to-vb] | 48 |
|
| 14 | it is difficult [prep] [pron] [to-vb] | 41 |
|
| 15 | it is difficult [prep] [pron] [to-vb] | 41 |
|
| 16 | it is [not/n't] [prep] [pron] [to-vb] | 38 |
|
| 17 | it is not [prep] [pron] [to-vb] | 38 |
|
| 18 | it is not [prep] [pron] [to-vb] | 36 |
|
| 19 | it is important [prep] [pron] [to-vb] | 33 |
|
| 20 | it is important [prep] [pron] [to-vb] | 33 |
|
| 21 | it is necessary [prep] [pron] [to-vb] | 25 |
|
| 22 | it is necessary [prep] [pron] [to-vb] | 25 |
|
| 23 | it is impossible [prep] [pron] [to-vb] | 24 |
|
| 24 | it is impossible [prep] [pron] [to-vb] | 24 |
|
| 25 | it is possible [prep] [pron] [to-vb] | 19 |
|
| 26 | it is easy [prep] [pron] [to-vb] | 19 |
|
| 27 | it is possible [prep] [pron] [to-vb] | 19 |
|
| 28 | it is [adj -er] [prep] [pron] [to-vb] | 18 |
|
| 29 | it is hard [prep] [pron] [to-vb] | 11 |
|
| 30 | it is easier [prep] [pron] [to-vb] | 10 |
|
