| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [vb pp] a [adj] [noun sg] ago | 15 |
|
| 2 | have [verb] a [adj] [noun sg] ago | 15 |
|
| 3 | have happened a [adj] [noun sg] [adv] | 6 |
|
| 4 | have happened a [adj] [noun sg] [adv] | 6 |
|
| 5 | have happened [art] [adj] [noun sg] ago | 5 |
|
| 6 | have happened a [adj] [noun sg] ago | 5 |
|
| 7 | have happened a [adj] [noun sg] ago | 5 |
|
| 8 | have happened a [adj] [noun sg] ago | 5 |
|
| 9 | have happened a [adj] [noun] ago | 5 |
|
| 10 | have happened [art] [adj] [noun sg] ago | 5 |
|
| 11 | [verb] happened a [adj] [noun sg] ago | 5 |
|
| 12 | have happen a [adj] [noun sg] ago | 5 |
|
