| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] a few years [adv] | 207 |
|
| 2 | [noun] a few [noun] back | 40 |
|
| 3 | [noun] a few [noun pl] back | 40 |
|
| 4 | [noun] a [det] years back | 28 |
|
| 5 | [noun] a few year back | 28 |
|
| 6 | [noun] a [adj] years back | 28 |
|
| 7 | [noun] [art] few years back | 28 |
|
| 8 | [noun] a few years back | 28 |
|
