| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do they [verb] | 3141 |
|
| 2 | do they [vb infin] | 3055 |
|
| 3 | do [pron] keep | 190 |
|
| 4 | [verb] they keep | 43 |
|
| 5 | do they keep | 26 |
|
