| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [adv] [vb infin] a | 6150 |
|
| 2 | do [vb infin] a certain | 29 |
|
| 3 | [adv] [vb infin] a certain | 26 |
|
| 4 | do [adv] [vb infin] certain | 23 |
|
