| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how do [pron] come about | 8 |
|
| 2 | [adv] do [pers pn] come about | 8 |
|
| 3 | [adv] do [pron] come about | 8 |
|
| 4 | how do [pron] come about | 8 |
|
| 5 | [Wh adv] do [pron] come about | 8 |
|
| 6 | [adv] do [pron] come about | 8 |
|
| 7 | [adv] do it come about | 6 |
|
| 8 | [adv] do it come about | 6 |
|
| 9 | [adv] did [pron] come about | 5 |
|
