| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] [prep] | 82405 |
|
| 2 | [be] use [prep] | 10878 |
|
| 3 | be use [prep] | 10877 |
|
| 4 | [is] use [prep] | 1458 |
|
