| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [verb] to [v-ing] | 13 |
|
| 2 | it [is] [verb] to [v-ing] | 13 |
|
| 3 | it [is] [vb pp] to [v-ing] | 11 |
|
| 4 | it is [verb] to [v-ing] | 10 |
|
| 5 | it [is] commit to [v-ing] | 6 |
|
| 6 | it [is] committed to [v-ing] | 6 |
|
