| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] to | 14228 |
|
| 2 | be [v-ing] [det] | 7726 |
|
| 3 | [v-ing] to [det] | 2560 |
|
| 4 | be to [det] | 541 |
|
