| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [num] years or so [conj] | 11 |
|
| 2 | [num ord] [num] years [coord] so [conj] | 8 |
|
| 3 | last [num] years [coord] so [conj] | 7 |
|
| 4 | last [num] years [coord] so [conj] | 7 |
|
| 5 | [adj] [num] years [coord] so [coord] | 5 |
|
