| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] [prep] [noun] | 4943 |
|
| 2 | have been develop [prep] [noun] | 127 |
|
| 3 | [verb] been develop [prep] [noun] | 127 |
|
| 4 | had [be] develop [prep] [noun] | 12 |
|
| 5 | had [been] develop [prep] [noun] | 12 |
|
| 6 | had been develop [prep] [noun] | 12 |
|
| 7 | had be develop [prep] [noun] | 12 |
|
| 8 | [vb past] been develop [prep] [noun] | 12 |
|
