| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | test be whether | 28 |
|
| 2 | test is whether | 21 |
|
| 3 | test [is] whether | 21 |
|
| 4 | test [was/were] whether | 7 |
|
| 5 | test was whether | 7 |
|
