| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [pers pn] [vb infin] [adv] [verb] | 11 |
|
| 2 | why do [pron] [vb infin] on [verb] | 7 |
|
| 3 | why do [pron] [vb infin] on [verb] | 7 |
|
| 4 | why do [pron] [vb infin] [adv prt] [verb] | 7 |
|
| 5 | why do [pron] [vb infin] [adv] [v-ing] | 7 |
|
| 6 | why do you [vb infin] [adv] [verb] | 5 |
|
| 7 | why do you [vb infin] [adv] [verb] | 5 |
|
