| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] be [v-ing] | 9493 |
|
| 2 | [pron] be [v-ing] to | 8140 |
|
| 3 | [modal v] be [v-ing] to | 603 |
|
| 4 | [pron] [modal v] be to | 152 |
|
