| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be a [adj] time [adv] | 151 |
|
| 2 | be a [adj] [noun] ago | 134 |
|
| 3 | [be] a [adj] time ago | 95 |
|
| 4 | be [art] [adj] time ago | 95 |
|
