| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [prep] [adj] [noun] | 1978 |
|
| 2 | [adv] [prep] last [noun] | 368 |
|
| 3 | [adv prt] [prep] last [noun] | 185 |
|
| 4 | back [prep] last [noun] | 13 |
|
