| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can be [vb pp] to be [v-ing] | 25 |
|
| 2 | can be [vb pp] to [be] [v-ing] | 25 |
|
| 3 | can be said to [be] [v-ing] | 9 |
|
| 4 | can be seen to [be] [v-ing] | 6 |
|
