| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how did [pron] [verb] | 1506 |
|
| 2 | how did [pron] [vb infin] | 1497 |
|
| 3 | how [verb] [pron] think | 147 |
|
| 4 | how do [pron] think | 145 |
|
| 5 | [adv] did [pron] think | 45 |
|
| 6 | [Wh adv] did [pron] think | 34 |
|
| 7 | how [vb past] [pron] think | 12 |
|
| 8 | how did [pron] think | 10 |
|
| 9 | how did [pron] think | 10 |
|
