| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] it had [vb pp] | 129 |
|
| 2 | how it had [verb] | 60 |
|
| 3 | where it had [verb] | 37 |
|
| 4 | when it had [verb] | 20 |
|
| 5 | [Wh adv] it had happen | 19 |
|
| 6 | [Wh adv] it had happened | 18 |
|
| 7 | [Wh adv] it had come | 17 |
|
| 8 | [Wh adv] it had come | 17 |
|
| 9 | why it had [verb] | 13 |
|
| 10 | [Wh adv] it had get | 8 |
|
| 11 | [Wh adv] it had got | 8 |
|
| 12 | [Wh adv] it had taken | 7 |
|
| 13 | [Wh adv] it had take | 7 |
|
| 14 | [Wh adv] it had go | 6 |
|
| 15 | [Wh adv] it had [to-vb] | 5 |
|
| 16 | [Wh adv] it had fall | 5 |
|
| 17 | [Wh adv] it had fallen | 5 |
|
| 18 | [Wh adv] it had gone | 5 |
|
