| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [adv] | 22743 |
|
| 2 | be [v-ing] to | 14228 |
|
| 3 | [v-ing] to [adv] | 807 |
|
| 4 | be to [adv] | 271 |
|
