| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] why it had | 23 |
|
| 2 | be why it had | 7 |
|
| 3 | [be] why it had | 7 |
|
| 4 | [vb infin] why it had | 7 |
|
| 5 | [vb past] why it had | 6 |
|
| 6 | wonder why it had | 5 |
|
| 7 | [is] why it had | 5 |
|
| 8 | why it had [adv] | 13 |
|
| 9 | why it had [verb] | 13 |
|
| 10 | why it had [vb pp] | 12 |
|
| 11 | why it had [been] | 12 |
|
| 12 | why it had be | 12 |
|
| 13 | why it had been | 12 |
|
| 14 | why it had [be] | 12 |
|
| 15 | why it had [not/n't] | 8 |
|
| 16 | why it had not | 8 |
|
| 17 | why it had taken | 6 |
|
| 18 | why it had take | 6 |
|
| 19 | why it had [adv] | 5 |
|
