| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] be [v-ing] to | 339 |
|
| 2 | [indef pn] [adv] be [v-ing] | 224 |
|
| 3 | [indef pn] be [v-ing] to | 173 |
|
| 4 | [indef pn] [adv] [v-ing] to | 14 |
|
