| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which be [verb] | 19540 |
|
| 2 | which be [v-ing] | 2349 |
|
| 3 | [pron] be building | 243 |
|
| 4 | which be build | 170 |
|
| 5 | which [be] building | 16 |
|
| 6 | which be building | 16 |
|
| 7 | [Wh det] be building | 16 |
|
