| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] [num ord] couple [prep] years | 121 |
|
| 2 | [prep] [art] [num ord] couple [prep] years | 121 |
|
| 3 | for [art] [num ord] couple [prep] [noun] | 98 |
|
| 4 | for [art] [num ord] couple [prep] [noun pl] | 98 |
|
| 5 | for [art] [num ord] [noun] [prep] years | 70 |
|
| 6 | for [art] [adj] couple [prep] years | 41 |
|
| 7 | for [art] [num ord] couple [prep] year | 31 |
|
| 8 | for [art] [num ord] couple [prep] years | 31 |
|
| 9 | for [art] [num ord] couple [prep] years | 31 |
|
