| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] a [noun sg] ago | 40 |
|
| 2 | be [verb] a [noun] ago | 40 |
|
| 3 | [be] [vb pp] a [noun] ago | 36 |
|
| 4 | [was/were] [verb] a [noun] ago | 35 |
|
| 5 | was [verb] a [noun] ago | 25 |
|
| 6 | [be] [verb] a year ago | 17 |
|
| 7 | [be] [verb] a year ago | 17 |
|
| 8 | were [verb] a [noun] ago | 10 |
|
| 9 | [be] [verb] a week ago | 8 |
|
| 10 | [be] [verb] a week ago | 8 |
|
