| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is [prep] [v-ing] [to-vb] | 6 |
|
| 2 | it is [adv] [prep] [v-ing] [to-vb] | 6 |
|
| 3 | it is [adv] [prep] [v-ing] [to-vb] | 6 |
|
| 4 | it is [prep] [v-ing] [adv] [to-vb] | 7 |
|
| 5 | it is [prep] [v-ing] [noun] [to-vb] | 6 |
|
| 6 | it is [prep] [v-ing] [to-vb] [art] | 8 |
|
| 7 | it is [prep] [v-ing] [to-vb] [art] | 8 |
|
| 8 | it is [prep] [v-ing] [to-vb] [adv] | 6 |
|
| 9 | it is [prep] [v-ing] [to-vb] [conj] | 5 |
|
