| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can be [vb pp] [adv prt] | 1713 |
|
| 2 | can be [vb pp] [v-ing] | 398 |
|
| 3 | be [vb pp] [v-ing] [adv prt] | 72 |
|
