| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | did they [vb infin] | 1236 |
|
| 2 | did [adv] [vb infin] | 683 |
|
| 3 | they [adv] [vb infin] | 447 |
|
| 4 | did they [adv] | 105 |
|
