| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what did [noun] | 258 |
|
| 2 | what [verb] [noun pl] | 229 |
|
| 3 | [pron] did [noun pl] | 106 |
|
| 4 | what do [noun pl] | 87 |
|
| 5 | what [vb past] [noun pl] | 56 |
|
