| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | while a [noun sg] of | 117 |
|
| 2 | while a number of | 19 |
|
| 3 | while a group of | 6 |
|
| 4 | while a quarter of | 5 |
|
| 5 | while a majority of | 5 |
|
