| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] [adv] an [noun] | 22 |
|
| 2 | [vb past] [prep] [adv] an [noun] | 21 |
|
| 3 | [vb past] [prep] [adv] an [noun sg] | 21 |
|
| 4 | [vb past] [prep] [adv] an hour | 14 |
|
| 5 | [vb past] [prep] [adv] an hour | 14 |
|
| 6 | [vb past] for [adv] an [noun] | 13 |
|
| 7 | [vb past] for [adv] an [noun] | 13 |
|
| 8 | [vb past] [prep] about an [noun] | 10 |
|
| 9 | [vb past] [prep] about an [noun] | 10 |
|
