| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] use [to-vb] [adj] [noun pl] | 34 |
|
| 2 | is use [verb] [adj] [noun pl] | 34 |
|
| 3 | [is] used [verb] [adj] [noun pl] | 33 |
|
