| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who do | 5042 |
|
| 2 | who did | 2059 |
|
| 3 | who do | 2056 |
|
| 4 | who does | 884 |
|
| 5 | who done | 22 |
|
| 6 | who d' | 16 |
|
