| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] a [noun] | 35545 |
|
| 2 | [adv] [prep] a [noun sg] | 33843 |
|
| 3 | [adv] [prep] [art] while | 547 |
|
| 4 | [adv] [prep] [art] while | 547 |
|
| 5 | [adv] [prep] a while | 545 |
|
| 6 | [adv] [prep] a while | 545 |
|
| 7 | [adv] [prep] a while | 545 |
|
