| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] couple [prep] years ago [art] | 5 |
|
| 2 | [art] [noun] of years ago [art] | 5 |
|
| 3 | [art] couple [prep] years ago [art] | 5 |
|
| 4 | a [noun] [prep] years ago [art] | 5 |
|
| 5 | [art] [noun sg] [prep] years ago [art] | 5 |
|
| 6 | [art] [noun] [prep] years ago [art] | 5 |
|
| 7 | [art] [noun] of years ago [art] | 5 |
|
