| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [det] time ago | 8 |
|
| 2 | be [det] time ago | 8 |
|
| 3 | [be] some time ago | 8 |
|
| 4 | was [det] time ago | 6 |
|
| 5 | [was/were] [det] time ago | 6 |
|
