| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [noun prp] do not [vb infin] | 29 |
|
| 2 | why [noun prp] do n't [vb infin] | 19 |
|
| 3 | why [noun prp] did not [vb infin] | 18 |
|
| 4 | why [noun prp] do not [vb infin] | 10 |
|
| 5 | why [noun prp] does not [vb infin] | 9 |
|
