| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be to be [v-ing] | 39 |
|
| 2 | is [prep] be [v-ing] | 12 |
|
| 3 | was [prep] be [v-ing] | 12 |
|
| 4 | were [prep] be [v-ing] | 8 |
|
| 5 | be [prep] be working | 5 |
|
