| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [adv] [v-ing] to | 1481 |
|
| 2 | [be] [adv] [prep] [v-ing] | 1028 |
|
| 3 | [adv] [prep] [v-ing] to | 424 |
|
| 4 | [be] [prep] [v-ing] to | 127 |
|
