| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it had [verb] [subord] | 54 |
|
| 2 | it had [vb pp] [subord] | 50 |
|
| 3 | it had [verb] when | 14 |
|
| 4 | it had [verb] as | 11 |
|
| 5 | it had [verb] because | 8 |
|
| 6 | it had happen [subord] | 6 |
|
| 7 | it had happened [subord] | 5 |
|
| 8 | it had [verb] before | 5 |
|
