| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] to | 14229 |
|
| 2 | [adv] [be] [v-ing] | 4655 |
|
| 3 | [adv] [v-ing] to | 3550 |
|
| 4 | [adv] [be] to | 598 |
|
