| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | while at the [adj] [noun sg] [art] | 23 |
|
| 2 | while at the [adj] [noun] [art] | 23 |
|
| 3 | while at the [adj] [noun] the | 20 |
|
| 4 | while at the [adj] [noun] the | 20 |
|
| 5 | while at the [adj] time [art] | 19 |
|
| 6 | while at the same [noun] [art] | 19 |
|
| 7 | while at the [adj] time [art] | 19 |
|
| 8 | while at the [det] [noun] [art] | 19 |
|
| 9 | while at the same [noun] [art] | 19 |
|
