| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] to | 14228 |
|
| 2 | [prep] be [v-ing] | 8008 |
|
| 3 | [prep] [v-ing] to | 7004 |
|
| 4 | [prep] be to | 131 |
|
