| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how do [pron] come by | 12 |
|
| 2 | how do [pers pn] come by | 12 |
|
| 3 | how did [pron] come by | 9 |
|
| 4 | how do you come by | 8 |
|
| 5 | how do you come by | 8 |
|
