| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | while [verb] at the [noun] | 31 |
|
| 2 | while [v-ing] at the [noun] | 30 |
|
| 3 | while working [prep] the [noun] | 26 |
|
| 4 | while working [prep] the [noun] | 26 |
|
| 5 | [conj] working at the [noun] | 15 |
|
| 6 | while working at [art] [noun] | 11 |
|
| 7 | [subord] working at the [noun] | 10 |
|
| 8 | while work at the [noun] | 9 |
|
| 9 | while working at the [noun] | 9 |
|
| 10 | while working at the [noun] | 9 |
|
