| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [adv] [v-ing] to | 181 |
|
| 2 | it [is] [adv] [v-ing] [noun sg] | 56 |
|
| 3 | [is] [adv] [v-ing] to [noun sg] | 45 |
|
| 4 | it [is] [adv] to [noun sg] | 39 |
|
| 5 | it [is] [v-ing] to [noun sg] | 15 |
|
