| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] be [verb] [to-vb] | 4738 |
|
| 2 | [adv] be [v-ing] [verb] | 365 |
|
| 3 | [adv] [be] [v-ing] [to-vb] | 328 |
|
