| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can be [vb pp] [adv] [adv] | 578 |
|
| 2 | can be [vb pp] [adv] [to-vb] | 161 |
|
| 3 | be [vb pp] [adv] [adv] [to-vb] | 144 |
|
| 4 | can be [vb pp] [adv] [to-vb] | 99 |
|
