| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] had [verb] to | 402 |
|
| 2 | [Wh det] had [vb pp] to | 399 |
|
| 3 | what had [verb] to | 213 |
|
| 4 | [Wh det] had happened to | 208 |
|
| 5 | [Wh det] had happen to | 208 |
|
| 6 | which had [verb] to | 186 |
|
| 7 | [Wh det] had led to | 72 |
|
| 8 | [Wh det] had lead to | 72 |
|
| 9 | [Wh det] had come to | 22 |
|
| 10 | [Wh det] had come to | 21 |
|
| 11 | [Wh det] had belonged to | 7 |
|
| 12 | [Wh det] had belong to | 7 |
|
| 13 | [Wh det] had seem to | 6 |
|
| 14 | [Wh det] had occurred to | 6 |
|
| 15 | [Wh det] had seemed to | 6 |
|
| 16 | [Wh det] had occur to | 6 |
|
| 17 | [Wh det] had contributed to | 5 |
|
| 18 | [Wh det] had contribute to | 5 |
|
