| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] [to-vb] [art] [noun] | 325 |
|
| 2 | had been [vb pp] [to-vb] [art] [noun] | 275 |
|
| 3 | [verb] been used [to-vb] [art] [noun] | 104 |
|
| 4 | have been used [to-vb] [art] [noun] | 104 |
|
| 5 | had been used [verb] [art] [noun] | 15 |
|
| 6 | had been use [to-vb] [art] [noun] | 15 |
|
| 7 | had be used [to-vb] [art] [noun] | 15 |
|
| 8 | had [be] used [to-vb] [art] [noun] | 15 |
|
| 9 | [vb past] been used [to-vb] [art] [noun] | 15 |
|
| 10 | had [been] used [to-vb] [art] [noun] | 15 |
|
