| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there [prep] a [noun] | 589 |
|
| 2 | [adv] [prep] a while | 545 |
|
| 3 | [adv] [prep] a while | 342 |
|
| 4 | there [prep] [art] while | 35 |
|
| 5 | there [prep] a while | 35 |
|
| 6 | there [prep] [art] while | 35 |
|
| 7 | there [prep] a while | 35 |
|
