| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [prep] [v-ing] [to-vb] | 64 |
|
| 2 | it [be] [prep] [v-ing] [to-vb] | 64 |
|
| 3 | it [is] [prep] [v-ing] [to-vb] | 46 |
|
| 4 | it is [prep] [v-ing] [verb] | 34 |
|
| 5 | [pron] is [prep] [v-ing] [to-vb] | 34 |
|
| 6 | [pers pn] is [prep] [v-ing] [to-vb] | 33 |
|
| 7 | it is [prep] [verb] [to-vb] | 31 |
|
| 8 | it is [prep] [v-ing] [to-vb] | 30 |
|
| 9 | it is [prep] [v-ing] [to-vb] | 30 |
|
