| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] be | 1891 |
|
| 2 | be [v-ing] be | 1891 |
|
| 3 | [am/are] [v-ing] be | 976 |
|
| 4 | 're [verb] be | 372 |
|
| 5 | 're [v-ing] [be] | 354 |
|
