| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | an [adv] [adj] [noun] [prep] | 2618 |
|
| 2 | an [adv] [adj] [noun sg] [prep] | 2584 |
|
| 3 | [art] [adv] [adj] period [prep] | 192 |
|
| 4 | [art] [adv] [adj] period [prep] | 192 |
|
| 5 | a [adv] [adj] period [prep] | 137 |
|
| 6 | an [adv] [adj] period [prep] | 16 |
|
