| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | whether to use [art] | 12 |
|
| 2 | whether to use the | 6 |
|
| 3 | whether to use a | 6 |
|
| 4 | whether to use a | 6 |
|
| 5 | whether to use the | 6 |
|
