| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv prt] [prep] [det] than [art] year | 8 |
|
| 2 | [adv prt] [prep] [det] [subord] a year | 8 |
|
| 3 | [adv prt] [prep] more [subord] [art] year | 7 |
|
| 4 | [adv prt] for [det] [subord] [art] year | 7 |
|
