| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [subord] a year | 288 |
|
| 2 | [det] [conj] a year | 288 |
|
| 3 | [det] than a year | 280 |
|
| 4 | [det] than a year | 280 |
|
| 5 | more [conj] a year | 188 |
|
| 6 | less [conj] a year | 92 |
|
| 7 | [det] as a year | 7 |
|
| 8 | [det] as a year | 7 |
|
