| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | while at the same [noun sg] | 14 |
|
| 2 | while at the same [noun sg] | 14 |
|
| 3 | while at the [adj] time | 14 |
|
| 4 | while at the [det] [noun sg] | 14 |
|
| 5 | while at the [adj] [noun sg] | 14 |
|
