| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [prep] [det] [noun] | 291 |
|
| 2 | heard [prep] [det] [noun] | 132 |
|
| 3 | had heard [prep] [noun] | 88 |
|
| 4 | had heard [det] [noun] | 31 |
|
| 5 | had heard [prep] [det] | 24 |
|
