| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be [vb pp] to be | 1071 |
|
| 2 | be [vb pp] to be [v-ing] | 931 |
|
| 3 | [vb mod] be [vb pp] to [v-ing] | 162 |
|
