| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [prep] [v-ing] [prep] | 953 |
|
| 2 | be [prep] [v-ing] [prep] | 952 |
|
| 3 | be [prep] [verb] to | 158 |
|
| 4 | be [prep] [v-ing] to | 127 |
|
| 5 | [be] [prep] [v-ing] to | 127 |
|
