| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] use for [det] | 6 |
|
| 2 | had been use for [det] | 6 |
|
| 3 | had [be] used for [det] | 6 |
|
| 4 | had [be] use for [det] | 6 |
|
| 5 | had be use for [det] | 6 |
|
| 6 | had [be] use for many | 5 |
|
