| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be used for [noun sg] | 143 |
|
| 2 | be used for this [noun sg] | 60 |
|
| 3 | [modal v] be used for this | 23 |
|
| 4 | [modal v] be for this [noun sg] | 5 |
|
