| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be used [adv] for [art] | 7 |
|
| 2 | [modal v] be used [adv] for [art] | 7 |
|
| 3 | be used [adv] for [art] [noun sg] | 10 |
|
| 4 | be used [adv] for [art] [noun] | 10 |
|
