| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [vb past] [adv] [vb infin] | 10 |
|
| 2 | what did [adv] [vb infin] | 10 |
|
| 3 | what [vb past] [not/n't] [vb infin] | 9 |
|
| 4 | what [vb past] not [vb infin] | 9 |
|
| 5 | what [vb past] n't [vb infin] | 6 |
|
