| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun] [noun] [art] | 661 |
|
| 2 | a [noun] [noun sg] [art] | 588 |
|
| 3 | [art] [noun] conference [art] | 12 |
|
| 4 | a [noun] conference [art] | 7 |
|
| 5 | a [noun] conference [art] | 7 |
|
