| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what is [verb] [to-vb] the | 11 |
|
| 2 | what [is] [vb pp] [to-vb] the | 10 |
|
| 3 | what [is] need [to-vb] the | 5 |
|
| 4 | what [is] needed [to-vb] the | 5 |
|
