| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun prp] a few years [adv] | 30 |
|
| 2 | [prep] [noun prp] a few [noun pl] back | 7 |
|
| 3 | [prep] [noun prp] a few [noun] back | 7 |
|
| 4 | [prep] [noun prp] a [det] years back | 5 |
|
| 5 | [prep] [noun prp] a [adj] years back | 5 |
|
| 6 | [prep] [noun prp] a few years back | 5 |
|
| 7 | [prep] [noun prp] [art] few years back | 5 |
|
| 8 | [prep] [noun prp] a few years back | 5 |
|
| 9 | [prep] [noun prp] a few year back | 5 |
|
| 10 | [prep] [noun] a few years back | 5 |
|
| 11 | [prep] [noun prp] a few years [adv prt] | 5 |
|
| 12 | [prep] [noun prp] a few years back | 5 |
|
