| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | than [adv] [art] [num] [noun] | 15 |
|
| 2 | [conj] [adv] [art] [num] year | 15 |
|
| 3 | than [adv] [art] [adj] year | 10 |
|
| 4 | than [adv] [art] [num] year | 6 |
|
