| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] a few years [adv] | 58 |
|
| 2 | [noun] a few years back | 28 |
|
| 3 | [noun prp] a few [noun] back | 16 |
|
| 4 | [noun prp] a few [noun pl] back | 16 |
|
| 5 | [noun prp] a [det] years back | 14 |
|
| 6 | [noun prp] a [adj] years back | 14 |
|
| 7 | [noun prp] a few year back | 14 |
|
| 8 | [noun prp] a few years back | 14 |
|
| 9 | [noun prp] [art] few years back | 14 |
|
