| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] back [prep] [adv] [adj] years | 11 |
|
| 2 | [vb -s] back [prep] [adv] [adj] [noun] | 10 |
|
| 3 | [vb -s] back [prep] [adv] [adj] [noun pl] | 9 |
|
| 4 | [vb -s] [adv prt] [prep] [adv] [adj] years | 7 |
|
| 5 | [vb -s] [adv] [prep] [adv] [adj] years | 7 |
|
| 6 | [vb -s] back [prep] [adv] [adj] year | 5 |
|
| 7 | [vb -s] back [prep] [adv] [adj] years | 5 |
|
| 8 | [vb -s] back [prep] [adv] [adj] years | 5 |
|
