| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [prep] be use | 55 |
|
| 2 | [vb infin] to be use | 55 |
|
| 3 | [vb infin] [prep] be used | 52 |
|
| 4 | have [prep] be use | 25 |
|
| 5 | continue [prep] be use | 13 |
|
| 6 | need [prep] be use | 8 |
|
