| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what can [adv] be | 91 |
|
| 2 | [v-ing] can [adv] be | 25 |
|
| 3 | [v-ing] what can be | 14 |
|
| 4 | [v-ing] what can [adv] | 5 |
|
