| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] to [be] [prep] | 267 |
|
| 2 | be [v-ing] to [be] [det] | 109 |
|
| 3 | [v-ing] to [be] [prep] [det] | 54 |
|
| 4 | be to [be] [prep] [det] | 24 |
|
| 5 | be [v-ing] to [prep] [det] | 9 |
|
