| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] been [prep] [art] [noun sg] | 631 |
|
| 2 | been used [prep] [art] [noun sg] | 248 |
|
| 3 | [vb -s] been used [prep] [art] | 139 |
|
| 4 | [vb -s] been used [prep] [noun sg] | 37 |
|
