| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] to be [v-ing] | 1215 |
|
| 2 | they be [verb] to be | 526 |
|
| 3 | they [verb] to be [v-ing] | 161 |
|
| 4 | they be [verb] to [v-ing] | 18 |
|
