| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [prep] [v-ing] [verb] [pron] | 24 |
|
| 2 | be [prep] [verb] [to-vb] [pron] | 19 |
|
| 3 | [be] [prep] [v-ing] [to-vb] [pron] | 18 |
|
| 4 | be [prep] [v-ing] [to-vb] [pron] | 18 |
|
