| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [not/n't] i think | 16 |
|
| 2 | why do not i think | 16 |
|
| 3 | why do [adv] i think | 16 |
|
| 4 | why do n't i think | 15 |
|
| 5 | why do i think [pron] | 7 |
|
| 6 | why do i think [pers pn] | 6 |
|
