| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] had [verb] [prep] [det] [noun] | 21 |
|
| 2 | [Wh det] had [vb pp] [prep] [det] [noun] | 21 |
|
| 3 | [Wh det] had happen [prep] [det] [noun] | 6 |
|
| 4 | [Wh det] had happened [prep] [det] [noun] | 6 |
|
| 5 | [Wh det] had [prep] [det] [noun] [been] | 7 |
|
| 6 | [Wh det] had [prep] [det] [noun] been | 7 |
|
| 7 | [Wh det] had [prep] [det] [noun] [be] | 7 |
|
| 8 | [Wh det] had [prep] [det] [noun] be | 7 |
|
