| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [adv] [v-ing] | 1371 |
|
| 2 | it [is] [v-ing] to | 882 |
|
| 3 | [is] [adv] [v-ing] to | 460 |
|
| 4 | it [is] [adv] to | 137 |
|
| 5 | it [adv] [v-ing] to | 7 |
|
