| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] to be | 12638 |
|
| 2 | [vb pp] to be [v-ing] | 1230 |
|
| 3 | [be] [vb pp] to [v-ing] | 1051 |
|
| 4 | [be] [vb pp] be [v-ing] | 64 |
|
| 5 | [be] to be [v-ing] | 39 |
|
