| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [v-ing] to | 1196 |
|
| 2 | [verb] it [be] [v-ing] | 1193 |
|
| 3 | [verb] [be] [v-ing] to | 580 |
|
| 4 | [verb] it [v-ing] to | 54 |
|
| 5 | [verb] it [be] to | 43 |
|
