| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] a [adj] [noun sg] ago | 108 |
|
| 2 | [vb past] a [adj] [noun sg] ago | 54 |
|
| 3 | happen a [adj] [noun sg] ago | 13 |
|
| 4 | happened a [adj] [noun] ago | 10 |
|
| 5 | happened a [adj] [noun sg] ago | 8 |
|
| 6 | happened a [adj] [noun sg] [adv] | 8 |
|
| 7 | happened [art] [adj] [noun sg] ago | 8 |
|
| 8 | happened [art] [adj] [noun sg] ago | 8 |
|
| 9 | happened a [adj] [noun sg] ago | 8 |
|
| 10 | happened a [adj] [noun sg] [adv] | 8 |
|
