| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [is] why they do [not/n't] | 11 |
|
| 2 | [adj] [is] why they do [not/n't] | 11 |
|
| 3 | that [is] why they do [not/n't] | 10 |
|
| 4 | that [is] why they do [not/n't] | 10 |
|
| 5 | [is] why they do [not/n't] [vb infin] | 10 |
|
| 6 | [is] why they do [not/n't] [verb] | 10 |
|
