| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] a [noun] [prep] | 132639 |
|
| 2 | [verb] [art] while [prep] | 36 |
|
| 3 | [verb] [art] while [prep] | 36 |
|
| 4 | [verb] a while [prep] | 34 |
|
| 5 | [verb] a while [prep] | 34 |
|
