| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [adv] [verb] to | 42 |
|
| 2 | it is [adv] [adv] [v-ing] [prep] | 16 |
|
| 3 | it is [adv] [adv] [v-ing] [prep] | 16 |
|
| 4 | it be [adv] [adv] [v-ing] to | 14 |
|
| 5 | it [be] [adv] [adv] [v-ing] to | 14 |
|
| 6 | it [is] [adv] [adv] [v-ing] to | 12 |
|
| 7 | [pron] is [adv] [adv] [v-ing] to | 11 |
|
| 8 | it is [adv] [adv] [v-ing] to | 7 |
|
| 9 | it is [adv] [adv] [v-ing] to | 5 |
|
