| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] be [vb pp] to [be] | 716 |
|
| 2 | [v-ing] be [vb pp] to [be] | 33 |
|
| 3 | [v-ing] [Wh det] be [vb pp] to | 19 |
|
| 4 | [v-ing] [Wh det] be to [be] | 9 |
|
