| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] they [prep] | 388 |
|
| 2 | be [v-ing] they [prep] | 388 |
|
| 3 | be [v-ing] [pron] at | 185 |
|
| 4 | be [verb] they at | 37 |
|
| 5 | be [v-ing] they at | 30 |
|
| 6 | [be] [v-ing] they at | 30 |
|
