| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [v-ing] to | 603 |
|
| 2 | which [modal v] be [v-ing] | 137 |
|
| 3 | which be [v-ing] to | 93 |
|
| 4 | which [modal v] be to | 15 |
|
