| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] [prep] [noun] | 4943 |
|
| 2 | had been [vb pp] [prep] [noun] | 4540 |
|
| 3 | have been used [prep] [noun] | 233 |
|
| 4 | [verb] been used [prep] [noun] | 233 |
|
| 5 | had [been] used [prep] [noun] | 41 |
|
| 6 | had been used [prep] [noun] | 41 |
|
| 7 | [vb past] been used [prep] [noun] | 41 |
|
| 8 | had been use [prep] [noun] | 41 |
|
| 9 | had [be] used [prep] [noun] | 41 |
|
| 10 | had be used [prep] [noun] | 41 |
|
