| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [conj] [verb] [Wh det] is [verb] | 9 |
|
| 2 | [to-vb] [conj] [vb infin] [Wh det] is [verb] | 9 |
|
| 3 | [to-vb] [conj] [Wh det] [pron] is [verb] | 5 |
|
