| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be at [noun] | 5884 |
|
| 2 | be at [noun sg] | 3904 |
|
| 3 | be [prep] work | 603 |
|
| 4 | be [prep] work | 603 |
|
| 5 | [be] at work | 430 |
|
| 6 | be at work | 430 |
|
| 7 | be at work | 430 |
|
