| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] to be [art] | 2106 |
|
| 2 | be [vb pp] to be [v-ing] | 931 |
|
| 3 | be [vb pp] to [v-ing] [art] | 276 |
|
| 4 | [vb pp] to be [v-ing] [art] | 219 |
|
