| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] be to | 36 |
|
| 2 | be [vb pp] be to | 29 |
|
| 3 | be [verb] is to | 20 |
|
| 4 | be [verb] be to | 15 |
|
| 5 | be [verb] was to | 10 |
|
| 6 | been [verb] be to | 5 |
|
| 7 | be [v-ing] be to | 5 |
|
