| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to have be use for | 9 |
|
| 2 | [verb] [to-vb] been use for | 9 |
|
| 3 | [verb] [to-vb] be used for | 9 |
|
| 4 | [vb pp] [to-vb] be use for | 6 |
|
