| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what be [verb] | 10055 |
|
| 2 | what be [v-ing] | 4932 |
|
| 3 | [pron] be happening | 2221 |
|
| 4 | what be happen | 2019 |
|
| 5 | [Wh det] be happening | 1982 |
|
| 6 | what be happening | 1954 |
|
| 7 | what [be] happening | 1954 |
|
