| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [verb] a long [noun] ago | 18 |
|
| 2 | [verb] happen a [adj] [noun] ago | 8 |
|
| 3 | [verb] happen [art] long [noun] ago | 5 |
|
| 4 | [verb] happen a long [noun] [adv] | 5 |
|
| 5 | [verb] happen a long [noun] ago | 5 |
|
| 6 | [verb] happen a [adj] [noun] ago | 5 |
|
| 7 | [verb] happen a long [noun] [adv] | 5 |
|
| 8 | [verb] happen a long [noun] ago | 5 |
|
