| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] for [det] | 176 |
|
| 2 | had been [vb pp] for [det] | 98 |
|
| 3 | [verb] been used for [det] | 27 |
|
| 4 | have been used for [det] | 27 |
|
| 5 | had been used for [adj] | 14 |
|
| 6 | had been used [prep] [det] | 12 |
|
| 7 | had been used [prep] [det] | 12 |
|
| 8 | had [be] used for [det] | 6 |
|
| 9 | [vb past] been used for [det] | 6 |
|
| 10 | had been use for [det] | 6 |
|
| 11 | had [been] used for [det] | 6 |
|
| 12 | had been used for [det] | 6 |
|
| 13 | had be used for [det] | 6 |
|
