| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [be] | 1899 |
|
| 2 | be [v-ing] be | 1891 |
|
| 3 | be [verb] are | 846 |
|
| 4 | be [v-ing] [am/are] | 137 |
|
| 5 | [be] [v-ing] are | 134 |
|
