| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] did | 24956 |
|
| 2 | [noun pl] did | 5406 |
|
| 3 | students [verb] | 3311 |
|
| 4 | students [vb past] | 585 |
|
| 5 | students do | 91 |
|
| 6 | student did | 31 |
|
