| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] to [pron] | 2036 |
|
| 2 | [modal v] be [v-ing] [pron] | 1971 |
|
| 3 | [modal v] be [v-ing] to | 603 |
|
| 4 | [modal v] be to [pron] | 84 |
|
