| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] an hour | 120 |
|
| 2 | [vb -s] [adv] an [noun] | 81 |
|
| 3 | [vb -s] [adv] an [noun sg] | 78 |
|
| 4 | [vb -s] [adv] an hour | 24 |
|
| 5 | [vb -s] [adv] [art] hour | 23 |
|
| 6 | [vb -s] [adv] [art] hour | 23 |
|
| 7 | [vb -s] [adv] an hour | 22 |
|
| 8 | [vb -s] [adv] a hour | 22 |
|
