| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] [prep] a long time | 76 |
|
| 2 | at [pron] [prep] a long [noun sg] | 41 |
|
| 3 | at [pron] [prep] a long [noun] | 41 |
|
| 4 | at [pron] [prep] a [adj] time | 21 |
|
| 5 | at [pron] [prep] a [adj] time | 20 |
|
| 6 | at [pron] [prep] a long time | 19 |
|
| 7 | at [pron] [prep] a long time | 19 |
|
| 8 | at [pron] [prep] [art] long time | 19 |
|
| 9 | at [pron] [prep] [art] long time | 19 |
|
| 10 | at [pron] [prep] a long time | 19 |
|
