| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [vb past] [verb] [art] | 71 |
|
| 2 | what had [verb] [art] | 61 |
|
| 3 | what [vb past] [vb pp] [art] | 60 |
|
| 4 | what [vb past] [verb] the | 49 |
|
| 5 | what [vb past] [verb] the | 49 |
|
| 6 | what [vb past] [verb] a | 21 |
|
| 7 | what [vb past] [verb] a | 20 |
|
| 8 | what [vb past] happened [art] | 15 |
|
| 9 | what [vb past] happen [art] | 15 |
|
| 10 | what [vb past] become [art] | 13 |
|
| 11 | what [vb past] become [art] | 12 |
|
| 12 | what [vb past] cause [art] | 10 |
|
| 13 | what [vb past] caused [art] | 10 |
|
| 14 | what [vb past] seem [art] | 6 |
|
| 15 | what [vb past] seemed [art] | 6 |
|
| 16 | what [vb past] [vb infin] [art] | 5 |
|
| 17 | what did [verb] [art] | 5 |
|
