| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] [art] [noun sg] | 782 |
|
| 2 | been used [verb] [art] [noun sg] | 103 |
|
| 3 | had been used [verb] [art] | 21 |
|
| 4 | had used [verb] [art] [noun sg] | 5 |
|
