| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why was it [adj] | 20 |
|
| 2 | why [was/were] it [adj] | 20 |
|
| 3 | why [was/were] it [adj] | 12 |
|
| 4 | why [was/were] it [det] | 6 |
|
| 5 | why [was/were] it necessary | 5 |
|
| 6 | why [was/were] it necessary | 5 |
|
