| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] [subord] [v-ing] [verb] | 161 |
|
| 2 | [be] [vb pp] [subord] [verb] [to-vb] | 63 |
|
| 3 | [be] [vb pp] [conj] [v-ing] [to-vb] | 43 |
|
| 4 | [be] [verb] [subord] [v-ing] [to-vb] | 33 |
|
