| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] whether they [modal v] [verb] [pron] | 13 |
|
| 2 | [verb] whether they [vb mod] [verb] [pron] | 13 |
|
| 3 | [verb] whether they [modal v] [vb infin] [pron] | 13 |
|
| 4 | [verb] whether they [modal v] [verb] [pers pn] | 10 |
|
| 5 | [verb] whether they [modal v] [verb] it | 6 |
|
| 6 | [verb] whether they would [verb] [pron] | 6 |
|
| 7 | [verb] whether they [modal v] [verb] it | 6 |
|
| 8 | know whether they [modal v] [verb] [pron] | 5 |
|
