| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | an [noun] [noun sg] | 21173 |
|
| 2 | an [noun sg] [noun sg] | 17502 |
|
| 3 | [art] emergency [noun sg] | 662 |
|
| 4 | [art] emergency [noun sg] | 662 |
|
| 5 | an emergency [noun] | 489 |
|
| 6 | a emergency [noun sg] | 472 |
|
| 7 | an emergency [noun sg] | 471 |
|
