| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be used at [art] | 21 |
|
| 2 | [modal v] be used at [art] | 21 |
|
| 3 | [prep] be used at [art] | 8 |
|
| 4 | to be used at [art] | 8 |
|
| 5 | to be used at [art] | 8 |
|
| 6 | [prep] be used at [art] | 8 |
|
| 7 | may be used at [art] | 7 |
|
| 8 | may be used at [art] | 7 |
|
| 9 | be used at [art] [noun] | 20 |
|
| 10 | be used at [art] [noun sg] | 17 |
|
| 11 | be used at [art] [adj] | 12 |
|
| 12 | be used at [art] [adj] | 8 |
|
