| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [conj] [verb] [prep] | 620 |
|
| 2 | [coord] [subord] [verb] [prep] | 422 |
|
| 3 | [conj] while [verb] [prep] | 39 |
|
| 4 | [coord] while [verb] [prep] | 28 |
|
