| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] be used for [adj] of | 6 |
|
| 2 | have be used for [adj] of | 6 |
|
| 3 | [verb] been used for [adj] of | 6 |
|
| 4 | [verb] be used for [num] of | 5 |
|
