| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [prep] a while | 261 |
|
| 2 | nothing [prep] a [noun] | 241 |
|
| 3 | nothing [prep] a [noun sg] | 233 |
|
| 4 | nothing [prep] [art] while | 7 |
|
| 5 | nothing [prep] [art] while | 7 |
|
| 6 | nothing [prep] a while | 7 |
|
| 7 | nothing [prep] a while | 7 |
|
