| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] to | 14228 |
|
| 2 | [prep] [v-ing] to | 7003 |
|
| 3 | be [prep] [v-ing] | 5741 |
|
| 4 | be [prep] to | 153 |
|
