| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [prep] [adj] [noun] | 1978 |
|
| 2 | back [prep] [adj] [noun sg] | 1195 |
|
| 3 | [adv] [prep] [adj] office | 68 |
|
| 4 | [adv prt] [prep] [adj] office | 40 |
|
| 5 | back [prep] [adj] office | 13 |
|
| 6 | back [prep] [adj] office | 13 |
|
| 7 | back [prep] [adj] office | 13 |
|
