| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [verb] a [noun sg] ago | 25 |
|
| 2 | [vb past] [verb] [art] [noun sg] ago | 21 |
|
| 3 | [verb] [vb pp] [art] [noun sg] ago | 19 |
|
| 4 | have [verb] [art] [noun sg] ago | 16 |
|
| 5 | had [verb] [art] [noun sg] ago | 12 |
|
| 6 | [verb] [verb] [art] year ago | 11 |
|
| 7 | [verb] [verb] [art] while ago | 5 |
|
