| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | an [noun] [noun sg] | 21173 |
|
| 2 | an [noun pl] [noun sg] | 601 |
|
| 3 | an hour [noun sg] | 73 |
|
| 4 | [art] hours [noun sg] | 10 |
|
| 5 | [art] hours [noun sg] | 10 |
|
| 6 | an hours [noun] | 9 |
|
| 7 | a hours [noun sg] | 9 |
|
