| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] be used for [det] | 70 |
|
| 2 | [noun] should be used for | 50 |
|
| 3 | should be used for [det] | 11 |
|
| 4 | [noun] should be for [det] | 5 |
|
