| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been used [to-vb] [art] [noun sg] | 14 |
|
| 2 | had be used [to-vb] [art] [noun sg] | 14 |
|
| 3 | had be used [to-vb] the [noun sg] | 11 |
|
| 4 | had be used [to-vb] the [noun sg] | 11 |
|
