| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] while i [be] at [noun] | 10 |
|
| 2 | [noun] while i [be] at [noun sg] | 7 |
|
| 3 | [noun] while i [be] at work | 5 |
|
| 4 | [noun] while i [be] at work | 5 |
|
