| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [adv] [v-ing] to | 288 |
|
| 2 | [be] [adv] [v-ing] to [noun sg] | 199 |
|
| 3 | it [be] [adv] [v-ing] [noun sg] | 73 |
|
| 4 | it [be] [adv] to [noun sg] | 57 |
|
| 5 | it [be] [v-ing] to [noun sg] | 24 |
|
