| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] to be | 306 |
|
| 2 | [prep] be [v-ing] to | 226 |
|
| 3 | [prep] be to be | 26 |
|
| 4 | be [v-ing] to be | 20 |
|
