| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] [to-vb] | 7936 |
|
| 2 | it [prep] [v-ing] | 1118 |
|
| 3 | it [v-ing] [to-vb] | 94 |
|
| 4 | it [prep] [to-vb] | 22 |
|
