| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [verb] been used [to-vb] [det] | 9 |
|
| 2 | [noun pl] have been used [verb] [det] | 9 |
|
| 3 | [noun pl] [vb base] been used [verb] [det] | 6 |
|
| 4 | [noun pl] have been used [verb] [det] | 6 |
|
| 5 | [noun pl] [verb] been used [verb] this | 5 |
|
