| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be [v-ing] to [be] | 14 |
|
| 2 | [vb mod] be to [be] [vb pp] | 7 |
|
| 3 | be [v-ing] to [be] [vb pp] | 6 |
|
