| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what they do [vb infin] | 53 |
|
| 2 | what they [vb base] [vb infin] | 30 |
|
| 3 | what they do [vb infin] | 29 |
|
| 4 | what they did [vb infin] | 24 |
|
| 5 | what they [vb past] [vb infin] | 24 |
|
| 6 | what they [verb] have | 8 |
|
