| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be [verb] to | 4874 |
|
| 2 | [prep] be [v-ing] [prep] | 1986 |
|
| 3 | [prep] be [v-ing] [prep] | 1979 |
|
| 4 | [prep] [be] [v-ing] to | 239 |
|
| 5 | [prep] be [v-ing] to | 239 |
|
