| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] a long time | 207 |
|
| 2 | [adv prt] [prep] a long time | 82 |
|
| 3 | back [prep] a long [noun sg] | 9 |
|
| 4 | back [prep] a long [noun] | 9 |
|
| 5 | back [prep] a [adj] time | 8 |
|
| 6 | back [prep] a [adj] time | 8 |
|
| 7 | back [prep] [art] long time | 5 |
|
| 8 | back [prep] a long time | 5 |
|
| 9 | back [prep] [art] long time | 5 |
|
| 10 | back [prep] a long time | 5 |
|
| 11 | back [prep] a long time | 5 |
|
| 12 | back [prep] a long time | 5 |
|
