| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be used for [det] | 265 |
|
| 2 | be for [det] [prep] | 63 |
|
| 3 | used for [det] [prep] | 13 |
|
| 4 | be used for [prep] | 8 |
|
| 5 | be used [det] [prep] | 8 |
|
