| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] to | 14228 |
|
| 2 | be [v-ing] [noun prp] | 2890 |
|
| 3 | [v-ing] [noun prp] to | 284 |
|
| 4 | be [noun prp] to | 74 |
|
