| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] be [verb] to | 4213 |
|
| 2 | [adv] be [v-ing] [prep] | 1819 |
|
| 3 | [adv] be [v-ing] [prep] | 1775 |
|
| 4 | [adv] be [v-ing] to | 339 |
|
| 5 | [adv] [be] [v-ing] to | 339 |
|
