| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] be [verb] to [be] | 761 |
|
| 2 | [verb] be [v-ing] [prep] [be] | 51 |
|
| 3 | [verb] be [v-ing] to [be] | 46 |
|
| 4 | [verb] [be] [v-ing] to [be] | 44 |
|
