| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [det] [det] than a [noun] | 82 |
|
| 2 | [adv] [det] [det] than [art] year | 5 |
|
| 3 | [adv] [adj] [det] than a year | 5 |
|
| 4 | [adv] [det] [adj] than a year | 5 |
|
| 5 | [adv] [det] [det] [subord] a year | 5 |
|
| 6 | [adv] [det] [det] [conj] a year | 5 |
|
| 7 | [adv] [det] [det] than a year | 5 |
|
