| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] be | 6347 |
|
| 2 | be [v-ing] be | 1891 |
|
| 3 | be happen be | 79 |
|
| 4 | be happening [be] | 78 |
|
| 5 | [be] happening be | 78 |
|
