| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] elect [prep] a four-year | 14 |
|
| 2 | [adv] elect [prep] a four-year | 14 |
|
| 3 | [adv] elected [prep] a four-year | 14 |
|
| 4 | [adv] elect for a four-year | 14 |
|
| 5 | directly elect [prep] a four-year | 9 |
|
| 6 | directly elect [prep] a four-year | 9 |
|
