| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | test be whether [art] | 19 |
|
| 2 | test be whether [art] | 19 |
|
| 3 | test is whether [art] | 16 |
|
| 4 | test be whether the | 15 |
|
| 5 | test be whether the | 15 |
|
