| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [prep] [adv] a year | 23 |
|
| 2 | [noun prp] [prep] [adv] a year | 23 |
|
| 3 | [noun prp] [prep] [adv] a year | 23 |
|
| 4 | [noun prp] [prep] [adv] a year | 23 |
|
| 5 | [noun prp] for [adv] a year | 18 |
|
| 6 | [noun prp] for [adv] a year | 18 |
|
| 7 | [noun prp] [prep] over a year | 6 |
|
| 8 | [noun prp] [prep] over a year | 6 |
|
