| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [be] [prep] [v-ing] [to-vb] | 78 |
|
| 2 | [pers pn] [be] [prep] [v-ing] [to-vb] | 75 |
|
| 3 | it [be] [prep] [v-ing] [verb] | 71 |
|
| 4 | it [be] [prep] [verb] [to-vb] | 68 |
|
| 5 | it [be] [prep] [v-ing] [to-vb] | 64 |
|
