| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [vb pp] a long [noun sg] ago | 6 |
|
| 2 | [vb infin] [verb] a long time ago | 6 |
|
| 3 | have [verb] a long [noun sg] ago | 6 |
|
| 4 | [vb infin] [verb] a long [noun sg] ago | 6 |
|
