| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] be [v-ing] to | 712 |
|
| 2 | [verb] be [v-ing] to | 580 |
|
| 3 | [verb] [noun prp] be [v-ing] | 541 |
|
| 4 | [verb] [noun prp] [v-ing] to | 67 |
|
| 5 | [verb] [noun prp] be to | 15 |
|
