| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] for [adj] year | 746 |
|
| 2 | [adv prt] for [adj] year | 194 |
|
| 3 | back for [adj] [noun] | 83 |
|
| 4 | back [prep] [adj] year | 52 |
|
| 5 | back for [adj] year | 6 |
|
