| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [not/n't] we [vb infin] | 191 |
|
| 2 | do [not/n't] we [det] [vb infin] | 13 |
|
| 3 | why do [not/n't] [det] [vb infin] | 7 |
|
| 4 | why do [not/n't] we [det] | 6 |
|
