| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [verb] what [is] best [prep] | 6 |
|
| 2 | [modal v] [verb] what [is] best [prep] | 6 |
|
| 3 | [modal v] [vb infin] what [is] best [prep] | 6 |
|
| 4 | [modal v] [verb] what [is] best for | 5 |
|
| 5 | [modal v] [verb] what [is] best for | 5 |
|
| 6 | [modal v] [verb] what is best [prep] | 5 |
|
